repo stringclasses 1k
values | file_url stringlengths 96 373 | file_path stringlengths 11 294 | content stringlengths 0 32.8k | language stringclasses 1
value | license stringclasses 6
values | commit_sha stringclasses 1k
values | retrieved_at stringdate 2026-01-04 14:45:56 2026-01-04 18:30:23 | truncated bool 2
classes |
|---|---|---|---|---|---|---|---|---|
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-properties/src/main/java/com/baeldung/maven/properties/PropertiesReader.java | maven-modules/maven-properties/src/main/java/com/baeldung/maven/properties/PropertiesReader.java | package com.baeldung.maven.properties;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
* Reads properties from one file.
*
* @author Donato Rimenti
*/
public class PropertiesReader {
/**
* Properties managed by this reader.
*/
private Properties propert... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-dependency/src/main/java/com/baeldung/Main.java | maven-modules/maven-dependency/src/main/java/com/baeldung/Main.java | package com.baeldung;
import org.apache.commons.lang3.StringUtils;
public class Main {
public static void main(String[] args) {
StringUtils.isBlank(" ");
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-copy-files/copy-rename-maven-plugin/src/test/java/com/baeldung/CopyFileUnitTest.java | maven-modules/maven-copy-files/copy-rename-maven-plugin/src/test/java/com/baeldung/CopyFileUnitTest.java | package com.baeldung;
import org.junit.Test;
import java.io.File;
import static org.junit.Assert.assertEquals;
public class CopyFileUnitTest {
@Test
public void whenCopyingAFileFromSourceToDestination_thenFileShouldBeInDestination() {
File destinationFile = new File("target/destination-folder/foo.t... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-copy-files/maven-antrun-plugin/src/test/java/com/baeldung/CopyFileUnitTest.java | maven-modules/maven-copy-files/maven-antrun-plugin/src/test/java/com/baeldung/CopyFileUnitTest.java | package com.baeldung;
import org.junit.Test;
import java.io.File;
import static org.junit.Assert.assertEquals;
public class CopyFileUnitTest {
@Test
public void whenCopyingAFileFromSourceToDestination_thenFileShouldBeInDestination() {
File destinationFile = new File("target/destination-folder/foo.t... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-copy-files/maven-resources-plugin/src/test/java/com/baeldung/CopyFileUnitTest.java | maven-modules/maven-copy-files/maven-resources-plugin/src/test/java/com/baeldung/CopyFileUnitTest.java | package com.baeldung;
import org.junit.Test;
import java.io.File;
import static org.junit.Assert.assertEquals;
public class CopyFileUnitTest {
@Test
public void whenCopyingAFileFromSourceToDestination_thenFileShouldBeInDestination() {
File destinationFile = new File("target/destination-folder/foo.t... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/spring-bom/src/test/java/com/baeldung/SpringContextTest.java | maven-modules/spring-bom/src/test/java/com/baeldung/SpringContextTest.java | package com.baeldung;
import org.junit.Test;
import com.baeldung.spring.bom.HelloWorldApp;
public class SpringContextTest {
@Test
public final void testMain() throws Exception {
HelloWorldApp.main(null);
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/spring-bom/src/main/java/com/baeldung/spring/bom/HelloWorldApp.java | maven-modules/spring-bom/src/main/java/com/baeldung/spring/bom/HelloWorldApp.java | package com.baeldung.spring.bom;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
public class HelloWorldApp {
public static void main(String[] args) {
ApplicationContext ctx = new AnnotationConfigApplicationContext(H... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/spring-bom/src/main/java/com/baeldung/spring/bom/HelloWorldBean.java | maven-modules/spring-bom/src/main/java/com/baeldung/spring/bom/HelloWorldBean.java | package com.baeldung.spring.bom;
public class HelloWorldBean {
public String sayHello() {
return "Hello World With Maven BOM";
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/spring-bom/src/main/java/com/baeldung/spring/bom/HelloWorldConfig.java | maven-modules/spring-bom/src/main/java/com/baeldung/spring/bom/HelloWorldConfig.java | package com.baeldung.spring.bom;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class HelloWorldConfig {
@Bean
public HelloWorldBean helloWorldBean() {
return new HelloWorldBean();
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-build-lifecycle/src/test/java/com/baeldung/mavenlifecycle/CourseAppIT.java | maven-modules/maven-build-lifecycle/src/test/java/com/baeldung/mavenlifecycle/CourseAppIT.java | package com.baeldung.mavenlifecycle;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
class CourseAppIT {
@Test
void givenIntegrationTest_whenGetCourse_ThenCourseShouldBePresent() {
CourseApp courseApp = new CourseApp();
assertEquals("Baeldung ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-build-lifecycle/src/test/java/com/baeldung/mavenlifecycle/CourseAppUnitTest.java | maven-modules/maven-build-lifecycle/src/test/java/com/baeldung/mavenlifecycle/CourseAppUnitTest.java | package com.baeldung.mavenlifecycle;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
class CourseAppUnitTest {
@Test
void whenGetCourse_ThenCourseShouldBePresent() {
CourseApp courseApp = new CourseApp();
assertEquals("Baeldung Spring Masterc... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-build-lifecycle/src/main/java/com/baeldung/mavenlifecycle/CourseApp.java | maven-modules/maven-build-lifecycle/src/main/java/com/baeldung/mavenlifecycle/CourseApp.java | package com.baeldung.mavenlifecycle;
public class CourseApp {
public String getCourse() {
return "Baeldung Spring Masterclass";
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/dependencygraph/module2/src/main/java/com/baeldung/module2/TestB.java | maven-modules/dependencygraph/module2/src/main/java/com/baeldung/module2/TestB.java | package com.baeldung.module2;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TestB {
public Logger getLogger() {
return LoggerFactory.getLogger(TestB.class);
}
public String getName(String name) {
return "Hello" + name;
}
} | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/dependencygraph/module1/src/main/java/com/baeldung/module1/TestA.java | maven-modules/dependencygraph/module1/src/main/java/com/baeldung/module1/TestA.java | package com.baeldung.module1;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.baeldung.module2.TestB;
public class TestA {
public Logger getLogger() {
return LoggerFactory.getLogger(TestA.class);
}
public void printName() {
TestB testb = new TestB();
testb.ge... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/compiler-plugin-java-9/src/main/java/module-info.java | maven-modules/compiler-plugin-java-9/src/main/java/module-info.java | module com.baeldung.maven.java9 {
requires java.xml;
} | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/compiler-plugin-java-9/src/main/java/com/baeldung/maven/java9/MavenCompilerPlugin.java | maven-modules/compiler-plugin-java-9/src/main/java/com/baeldung/maven/java9/MavenCompilerPlugin.java | package com.baeldung.maven.java9;
import static javax.xml.XMLConstants.XML_NS_PREFIX;
public class MavenCompilerPlugin {
public static void main(String[] args) {
System.out.println("The XML namespace prefix is: " + XML_NS_PREFIX);
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-builder-plugin/src/main/newsrc/com/baeldung/database/DataConnection.java | maven-modules/maven-builder-plugin/src/main/newsrc/com/baeldung/database/DataConnection.java | package com.baeldung.database;
public class DataConnection {
public static String temp(){
return "secondary source directory";
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-builder-plugin/src/main/java/com/baeldung/maven/plugin/MainApp.java | maven-modules/maven-builder-plugin/src/main/java/com/baeldung/maven/plugin/MainApp.java | package com.baeldung.maven.plugin;
import com.baeldung.database.DataConnection;
public class MainApp {
public static void main(String args[]){
System.out.println(DataConnection.temp());
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-unused-dependencies/src/main/java/com/baeldung/mavendependencyplugin/UnusedDependenciesExample.java | maven-modules/maven-unused-dependencies/src/main/java/com/baeldung/mavendependencyplugin/UnusedDependenciesExample.java | package com.baeldung.mavendependencyplugin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class UnusedDependenciesExample {
/**
* When the Maven dependency analyzer analyzes the code, it will see that the slf4j dependency is being used in this method.
*
* @return the slf4j {@li... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/resume-from/business/src/main/java/Main.java | maven-modules/resume-from/business/src/main/java/Main.java | public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");
}
} | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-custom-plugin/counter-maven-plugin/src/main/java/com/baeldung/maven/plugin/validator/DependencyCounterMojo.java | maven-modules/maven-custom-plugin/counter-maven-plugin/src/main/java/com/baeldung/maven/plugin/validator/DependencyCounterMojo.java | package com.baeldung.maven.plugin.validator;
import java.util.List;
import org.apache.maven.model.Dependency;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePh... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-plugins/custom-rule/src/main/java/com/baeldung/enforcer/MyCustomRule.java | maven-modules/maven-plugins/custom-rule/src/main/java/com/baeldung/enforcer/MyCustomRule.java | /*
* Copyright (c) 2019 PloyRef
* Created by Seun Matt <smatt382@gmail.com>
* on 19 - 2 - 2019
*/
package com.baeldung.enforcer;
import org.apache.maven.enforcer.rule.api.EnforcerRule;
import org.apache.maven.enforcer.rule.api.EnforcerRuleException;
import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper;
im... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-plugins/jaxws/src/test/java/com/baeldung/soap/ws/client/CountryServiceClientUnitTest.java | maven-modules/maven-plugins/jaxws/src/test/java/com/baeldung/soap/ws/client/CountryServiceClientUnitTest.java | package com.baeldung.soap.ws.client;
import org.junit.jupiter.api.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.*;
class CountryServiceClientUnitTest {
CountryServiceClient countryServiceClient;
CountryService countryService;
@BeforeEach
void setUp() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-plugins/jaxws/src/main/java/com/baeldung/soap/ws/client/CountryNotFoundException.java | maven-modules/maven-plugins/jaxws/src/main/java/com/baeldung/soap/ws/client/CountryNotFoundException.java | package com.baeldung.soap.ws.client;
public class CountryNotFoundException extends RuntimeException {
public CountryNotFoundException() {
super("Country not found!");
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-plugins/jaxws/src/main/java/com/baeldung/soap/ws/client/CountryServiceClient.java | maven-modules/maven-plugins/jaxws/src/main/java/com/baeldung/soap/ws/client/CountryServiceClient.java | package com.baeldung.soap.ws.client;
import java.util.Optional;
public class CountryServiceClient {
private CountryService countryService;
public CountryServiceClient(CountryService countryService) {
this.countryService = countryService;
}
public String getCapitalByCountryName(String countr... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/maven-modules/maven-plugins/spotless/src/main/java/com/baeldung/spotless/FizzBuzz.java | maven-modules/maven-plugins/spotless/src/main/java/com/baeldung/spotless/FizzBuzz.java | package com.baeldung.spotless;
import java.util.HashMap;
import java.util.Map;
import org.jetbrains.annotations.Nullable;
public class FizzBuzz {
@Nullable static String pi = "3.14";
public static void main(String[] args) {
Map<Integer, String> dividers = new HashMap<>();
dividers.put(3, "Fi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/test/java/com/baeldung/trie/TrieUnitTest.java | data-structures/src/test/java/com/baeldung/trie/TrieUnitTest.java | package com.baeldung.trie;
import org.junit.Test;
import org.junit.jupiter.api.Assertions;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class TrieUnitTest {
@Test
public void whenEmptyTrie_thenNoElements() {
Trie trie = new Trie();
assertFals... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/test/java/com/baeldung/graph/GraphUnitTest.java | data-structures/src/test/java/com/baeldung/graph/GraphUnitTest.java | package com.baeldung.graph;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class GraphUnitTest {
@Test
public void givenAGraph_whenTraversingDepthFirst_thenExpectedResult() {
Graph graph = createGraph();
assertEquals("[Bob, Rob, Maria, Alice, Mark]",
Gr... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/test/java/com/baeldung/lrucache/LRUCacheUnitTest.java | data-structures/src/test/java/com/baeldung/lrucache/LRUCacheUnitTest.java | package com.baeldung.lrucache;
import org.junit.Test;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.stream.IntStream;
import static org.junit.Assert.*;
public class LRUCacheUnitTest {
@Test
public void addSomeD... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/test/java/com/baeldung/tree/BinaryTreeUnitTest.java | data-structures/src/test/java/com/baeldung/tree/BinaryTreeUnitTest.java | package com.baeldung.tree;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class BinaryTreeUnitTest {
@Test
public void givenABinaryTree_WhenAddingElements_ThenTreeNotEmpty() {
BinaryTr... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/trie/TrieNode.java | data-structures/src/main/java/com/baeldung/trie/TrieNode.java | package com.baeldung.trie;
import java.util.HashMap;
import java.util.Map;
class TrieNode {
private final Map<Character, TrieNode> children = new HashMap<>();
private boolean endOfWord;
Map<Character, TrieNode> getChildren() {
return children;
}
boolean isEndOfWord() {
return end... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/trie/Trie.java | data-structures/src/main/java/com/baeldung/trie/Trie.java | package com.baeldung.trie;
class Trie {
private TrieNode root;
Trie() {
root = new TrieNode();
}
void insert(String word) {
TrieNode current = root;
for (char l : word.toCharArray()) {
current = current.getChildren().computeIfAbsent(l, c -> new TrieNode());
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/graph/Graph.java | data-structures/src/main/java/com/baeldung/graph/Graph.java | package com.baeldung.graph;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class Graph {
private Map<Vertex, List<Vertex>> adjVertices;
Graph() {
this.adjVertices = new HashMap<Vertex, List<Vertex>>();
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/graph/AppToPrintGraph.java | data-structures/src/main/java/com/baeldung/graph/AppToPrintGraph.java | package com.baeldung.graph;
import java.util.Set;
public class AppToPrintGraph {
static Graph createGraph() {
Graph graph = new Graph();
graph.addVertex("Bob");
graph.addVertex("Alice");
graph.addVertex("Mark");
graph.addVertex("Rob");
graph.addVertex("Maria");
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/graph/GraphTraversal.java | data-structures/src/main/java/com/baeldung/graph/GraphTraversal.java | package com.baeldung.graph;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Set;
import java.util.Stack;
import com.baeldung.graph.Graph.Vertex;
public class GraphTraversal {
static Set<String> depthFirstTraversal(Graph graph, String root) {
Set<Strin... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/lrucache/Node.java | data-structures/src/main/java/com/baeldung/lrucache/Node.java | package com.baeldung.lrucache;
/**
* Created by arash on 09.07.21.
*/
public class Node<T> implements LinkedListNode<T> {
private T value;
private DoublyLinkedList<T> list;
private LinkedListNode next;
private LinkedListNode prev;
public Node(T value, LinkedListNode<T> next, DoublyLinkedList<T> ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/lrucache/DummyNode.java | data-structures/src/main/java/com/baeldung/lrucache/DummyNode.java | package com.baeldung.lrucache;
/**
* Created by arash on 09.07.21.
*/
public class DummyNode<T> implements LinkedListNode<T> {
private DoublyLinkedList<T> list;
public DummyNode(DoublyLinkedList<T> list) {
this.list = list;
}
@Override
public boolean hasElement() {
return false;... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/lrucache/LRUCache.java | data-structures/src/main/java/com/baeldung/lrucache/LRUCache.java | package com.baeldung.lrucache;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReentrantReadWriteLock;
public class LRUCache<K, V> implements Cache<K, V> {
private int size;
private Map<K, LinkedListNode<CacheElement<K, V>>> lin... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/lrucache/Cache.java | data-structures/src/main/java/com/baeldung/lrucache/Cache.java | package com.baeldung.lrucache;
import java.util.Optional;
public interface Cache<K, V> {
boolean put(K key, V value);
Optional<V> get(K key);
int size();
boolean isEmpty();
void clear();
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/lrucache/DoublyLinkedList.java | data-structures/src/main/java/com/baeldung/lrucache/DoublyLinkedList.java | package com.baeldung.lrucache;
import java.util.Collection;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.ReentrantReadWriteLock;
public class DoublyLinkedList<T> {
private DummyNode<T> dummyNode;
private LinkedListNode<T> head;
private LinkedListNode<T> tail;
pr... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/lrucache/CacheElement.java | data-structures/src/main/java/com/baeldung/lrucache/CacheElement.java | package com.baeldung.lrucache;
/**
* Created by arash on 09.07.21.
*/
public class CacheElement<K,V> {
private K key;
private V value;
public CacheElement(K key, V value) {
this.value = value;
this.key = key;
}
public K getKey() {
return key;
}
public void setK... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/lrucache/LinkedListNode.java | data-structures/src/main/java/com/baeldung/lrucache/LinkedListNode.java | package com.baeldung.lrucache;
public interface LinkedListNode<V> {
boolean hasElement();
boolean isEmpty();
V getElement() throws NullPointerException;
void detach();
DoublyLinkedList<V> getListReference();
LinkedListNode<V> setPrev(LinkedListNode<V> prev);
LinkedListNode<V> setNext(... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/data-structures/src/main/java/com/baeldung/tree/BinaryTree.java | data-structures/src/main/java/com/baeldung/tree/BinaryTree.java | package com.baeldung.tree;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Stack;
public class BinaryTree {
Node root;
public void add(int value) {
root = addRecursive(root, value);
}
private Node addRecursive(Node current, int value) {
if (current == null) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/spring-structurizr/src/main/java/com/baeldung/structurizr/StructurizrSimple.java | spring-structurizr/src/main/java/com/baeldung/structurizr/StructurizrSimple.java | package com.baeldung.structurizr;
import com.structurizr.Workspace;
import com.structurizr.analysis.ComponentFinder;
import com.structurizr.analysis.ReferencedTypesSupportingTypesStrategy;
import com.structurizr.analysis.SourceCodeComponentFinderStrategy;
import com.structurizr.analysis.SpringComponentFinderStrategy;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/spring-structurizr/src/main/java/com/baeldung/structurizr/spring/GenericComponent.java | spring-structurizr/src/main/java/com/baeldung/structurizr/spring/GenericComponent.java | package com.baeldung.structurizr.spring;
import org.springframework.stereotype.Component;
@Component
public class GenericComponent {
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/spring-structurizr/src/main/java/com/baeldung/structurizr/spring/PaymentRepository.java | spring-structurizr/src/main/java/com/baeldung/structurizr/spring/PaymentRepository.java | package com.baeldung.structurizr.spring;
import org.springframework.stereotype.Repository;
@Repository
public class PaymentRepository {
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/spring-structurizr/src/main/java/com/baeldung/structurizr/spring/PaymentController.java | spring-structurizr/src/main/java/com/baeldung/structurizr/spring/PaymentController.java | package com.baeldung.structurizr.spring;
import org.springframework.stereotype.Controller;
import javax.annotation.Resource;
@Controller
public class PaymentController {
@Resource
private PaymentRepository repository;
@Resource
private GenericComponent component;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/twoanglesdifference/AngleDifferenceCalculatorTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/twoanglesdifference/AngleDifferenceCalculatorTest.java | /**
* Package to host JUnit Test code for AngleDifferenceCalculator Class
*/
package com.baeldung.algorithms.twoanglesdifference;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
class AngleDifferenceCalculatorTest {
private static final double EPSILON = 0.0001... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/palindrome/PalindromeUnitTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/palindrome/PalindromeUnitTest.java | package com.baeldung.algorithms.palindrome;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.T... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/subarraysumzero/LargestSubarraySumZeroUnitTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/subarraysumzero/LargestSubarraySumZeroUnitTest.java | package com.baeldung.algorithms.subarraysumzero;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class LargestSubarraySumZeroUnitTest {
@Test
public void givenArray_whenUseTwoLoops_thenFindSubarrayWithSumZero() {
int[] arr1 = { 4, -3, -6, 5, 1, ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/perfectnumber/PerfectNumberUnitTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/perfectnumber/PerfectNumberUnitTest.java | package com.baeldung.algorithms.perfectnumber;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
class PerfectNumberUnitTest {
@Test
void givenPerfectNumber_whenCheckingIsPerfectBruteForce_thenReturnTrue()... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/cosinesimilarity/CosineSimilarityUnitTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/cosinesimilarity/CosineSimilarityUnitTest.java | package com.baeldung.algorithms.cosinesimilarity;
import org.junit.jupiter.api.Test;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.impl.reduce3.CosineSimilarity;
import org.nd4j.linalg.factory.Nd4j;
import java.util.Arrays;
import java.util.stream.IntStream;
import static org.junit.jupi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/sumoftwosquares/NumberAsSumOfTwoSquaresUnitTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/sumoftwosquares/NumberAsSumOfTwoSquaresUnitTest.java | package com.baeldung.algorithms.sumoftwosquares;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.DisplayName;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.assertFalse;
class NumberAsSumOfTwoSquaresUnitTest {
@Test
@DisplayName("Giv... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/bcdtodecimal/BCDtoDecimalConverterTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/bcdtodecimal/BCDtoDecimalConverterTest.java | package com.baeldung.algorithms.bcdtodecimal;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class BCDtoDecimalConverterTest {
// 1. Tests for convertPackedByte(byte bcdByte)
@Test
void t... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/consecutivenumbers/ConsecutiveNumbersUnitTest.java | algorithms-modules/algorithms-numeric/src/test/java/com/baeldung/algorithms/consecutivenumbers/ConsecutiveNumbersUnitTest.java | package com.baeldung.algorithms.consecutivenumbers;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class ConsecutiveNumbersUnitTest {
@Test
void whenIsSumOfConsecutiveUsingBruteForce_thenReturnsTrue() {
int n = 15;
boolean isSumOfConsecut... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/twoanglesdifference/AngleDifferenceCalculator.java | algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/twoanglesdifference/AngleDifferenceCalculator.java | /**
* Package to host code for calculating three types of angle difference
*/
package com.baeldung.algorithms.twoanglesdifference;
public class AngleDifferenceCalculator {
/**
* Normalizes an angle to be within the range [0, 360).
*
* @param angle The angle in degrees.
* @return The normaliz... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/palindrome/PalindromeNumber.java | algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/palindrome/PalindromeNumber.java | package com.baeldung.algorithms.palindrome;
public class PalindromeNumber {
public static boolean isPalindromeIterative(int number) {
int originalNumber = number;
int reversedNumber = 0;
while (number > 0) {
int digit = number % 10;
reversedNumber = reversedNumber ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/subarraysumzero/LargestSubarraySumZero.java | algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/subarraysumzero/LargestSubarraySumZero.java | package com.baeldung.algorithms.subarraysumzero;
import java.util.HashMap;
public class LargestSubarraySumZero {
public static int maxLenBruteForce(int[] arr) {
int maxLength = 0;
for (int i = 0; i < arr.length; i++) {
int sum = 0;
for (int j = i; j < arr.length; j++) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/perfectnumber/PerfectNumberBenchmark.java | algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/perfectnumber/PerfectNumberBenchmark.java | package com.baeldung.algorithms.perfectnumber;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
@S... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/perfectnumber/PerfectNumber.java | algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/perfectnumber/PerfectNumber.java | package com.baeldung.algorithms.perfectnumber;
import java.util.stream.IntStream;
class PerfectNumber {
public static boolean isPerfectBruteForce(int number) {
int sum = 0;
for (int i = 1; i <= number / 2; i++) {
if (number % i == 0) {
sum += i;
}
}... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/sumoftwosquares/NumberAsSumOfTwoSquares.java | algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/sumoftwosquares/NumberAsSumOfTwoSquares.java | package com.baeldung.algorithms.sumoftwosquares;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NumberAsSumOfTwoSquares {
private static final Logger LOGGER = LoggerFactory.getLogger(NumberAsSumOfTwoSquares.class);
/**
* Checks if a non-negative integer n can be written as the
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/bcdtodecimal/BCDtoDecimalConverter.java | algorithms-modules/algorithms-numeric/src/main/java/com/baeldung/algorithms/bcdtodecimal/BCDtoDecimalConverter.java | package com.baeldung.algorithms.bcdtodecimal;
public class BCDtoDecimalConverter {
/**
* Converts a single packed BCD byte to an integer.
* Each byte represents two decimal digits.
*
* @param bcdByte The BCD byte to convert.
* @return The decimal integer value.
* @throws IllegalArgume... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleRemovalWithoutCountingLoopNodesUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleRemovalWithoutCountingLoopNodesUnitTest.java | package com.baeldung.algorithms.linkedlist;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
class CycleRemovalWithoutCountingLoopNodesUn... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionByHashingUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionByHashingUnitTest.java | package com.baeldung.algorithms.linkedlist;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
class CycleDetectionByHashingUnitTest extends CycleDetectionTestBase {
@ParameterizedTest
@Meth... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionBruteForceUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionBruteForceUnitTest.java | package com.baeldung.algorithms.linkedlist;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
class CycleDetectionBruteForceUnitTest extends CycleDetectionTestBase {
@ParameterizedTest
@Meth... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleRemovalBruteForceUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleRemovalBruteForceUnitTest.java | package com.baeldung.algorithms.linkedlist;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
class CycleRemovalBruteForceUnitTest extends... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionTestBase.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionTestBase.java | package com.baeldung.algorithms.linkedlist;
import java.util.Arrays;
import java.util.Collection;
import org.junit.runners.Parameterized.Parameters;
public class CycleDetectionTestBase {
public static Collection<Object[]> getLists() {
return Arrays.asList(new Object[][] {
{ createList(), f... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleRemovalByCountingLoopNodesUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleRemovalByCountingLoopNodesUnitTest.java | package com.baeldung.algorithms.linkedlist;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
class CycleRemovalByCountingLoopNodesUnitTest ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionByFastAndSlowIteratorsUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/linkedlist/CycleDetectionByFastAndSlowIteratorsUnitTest.java | package com.baeldung.algorithms.linkedlist;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
class CycleDetectionByFastAndSlowIteratorsUnitTest extends CycleDetectionTestBase {
@ParameterizedTe... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/moneywords/NumberWordConverterUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/moneywords/NumberWordConverterUnitTest.java | package com.baeldung.algorithms.moneywords;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
import com.baeldung.algorithms.numberwordconverter.NumberWordConverter;
class NumberWordConverterUnitTest {
@Test
void whenMoneyNegative_thenReturnInvalidInput() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/sudoku/BacktrackingAlgoritmUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/sudoku/BacktrackingAlgoritmUnitTest.java | package com.baeldung.algorithms.sudoku;
import org.junit.Assert;
import org.junit.Test;
public class BacktrackingAlgoritmUnitTest {
private static final int[][] board = {
{8, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 3, 6, 0, 0, 0, 0, 0},
{0, 7, 0, 0, 9, 0, 2, 0, 0},
{0, 5, 0, 0, 0, 7, 0, 0... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/astar/underground/RouteFinderIntegrationTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/astar/underground/RouteFinderIntegrationTest.java | package com.baeldung.algorithms.astar.underground;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.junit.jup... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | true |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/DirectedGraphUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/DirectedGraphUnitTest.java | package com.baeldung.jgrapht;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.IntStream;
import org.jgrapht.DirectedGraph;
import org.jgrapht.Gra... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/GraphImageGenerationUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/GraphImageGenerationUnitTest.java | package com.baeldung.jgrapht;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import org.jgrapht.ext.JGraphXAdapter;
import org.jgrapht.graph.DefaultDirectedGraph;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/EulerianCircuitUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/EulerianCircuitUnitTest.java | package com.baeldung.jgrapht;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.stream.IntStream;
import org.jgrapht.GraphPath;
import org.jgrapht.alg.cycle.HierholzerEulerianCycle;
import org.jgrapht.graph.DefaultEdge;
import org.jgrapht.graph.SimpleWeightedGraph;
import org.junit.jupiter... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/CompleteGraphUnitTest.java | algorithms-modules/algorithms-miscellaneous-2/src/test/java/com/baeldung/jgrapht/CompleteGraphUnitTest.java | package com.baeldung.jgrapht;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.List;
import org.jgrapht.VertexFactory;
import org.jgrapht.alg.HamiltonianCycle;
import org.jgrapht.generate.CompleteGraphGenerator;
import org.jgrapht.graph.DefaultEdge;
import org.jgrapht.graph.SimpleWeigh... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/RunAlgorithm.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/RunAlgorithm.java | package com.baeldung.algorithms;
import java.util.Scanner;
import com.baeldung.algorithms.slope_one.SlopeOne;
public class RunAlgorithm {
public static void main(String[] args) throws InstantiationException, IllegalAccessException {
Scanner in = new Scanner(System.in);
System.out.println("1 - Slope One");
Sy... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/MazeDriver.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/MazeDriver.java | package com.baeldung.algorithms.maze.solver;
import java.io.File;
import java.util.List;
public class MazeDriver {
public static void main(String[] args) throws Exception {
File maze1 = new File("src/main/resources/maze/maze1.txt");
File maze2 = new File("src/main/resources/maze/maze2.txt");
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/BFSMazeSolver.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/BFSMazeSolver.java | package com.baeldung.algorithms.maze.solver;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
public class BFSMazeSolver {
private static final int[][] DIRECTIONS = { { 0, 1 }, { 1, 0 }, { 0, -1 }, { -1, 0 } };
public List<Coordinate> solve(Maze ma... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/DFSMazeSolver.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/DFSMazeSolver.java | package com.baeldung.algorithms.maze.solver;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class DFSMazeSolver {
private static final int[][] DIRECTIONS = { { 0, 1 }, { 1, 0 }, { 0, -1 }, { -1, 0 } };
public List<Coordinate> solve(Maze maze) {
List<Coordinate... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/Maze.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/Maze.java | package com.baeldung.algorithms.maze.solver;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
public class Maze {
private static final int ROAD = 0;
private static final int WALL = 1;
private static final int START = 2;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/Coordinate.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/maze/solver/Coordinate.java | package com.baeldung.algorithms.maze.solver;
public class Coordinate {
int x;
int y;
Coordinate parent;
public Coordinate(int x, int y) {
this.x = x;
this.y = y;
this.parent = null;
}
public Coordinate(int x, int y, Coordinate parent) {
this.x = x;
this... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionByHashing.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionByHashing.java | package com.baeldung.algorithms.linkedlist;
import java.util.HashSet;
import java.util.Set;
public class CycleDetectionByHashing {
public static <T> CycleDetectionResult<T> detectCycle(Node<T> head) {
if (head == null) {
return new CycleDetectionResult<>(false, null);
}
Set<N... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/Node.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/Node.java | package com.baeldung.algorithms.linkedlist;
public class Node<T> {
T data;
Node<T> next;
public static <T> Node<T> createNewNode(T data, Node<T> next) {
Node<T> node = new Node<T>();
node.data = data;
node.next = next;
return node;
}
public static <T> void traverse... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionBruteForce.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionBruteForce.java | package com.baeldung.algorithms.linkedlist;
public class CycleDetectionBruteForce {
public static <T> CycleDetectionResult<T> detectCycle(Node<T> head) {
if (head == null) {
return new CycleDetectionResult<>(false, null);
}
Node<T> it1 = head;
int nodesTraversedByOuter... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionByFastAndSlowIterators.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionByFastAndSlowIterators.java | package com.baeldung.algorithms.linkedlist;
public class CycleDetectionByFastAndSlowIterators {
public static <T> CycleDetectionResult<T> detectCycle(Node<T> head) {
if (head == null) {
return new CycleDetectionResult<>(false, null);
}
Node<T> slow = head;
Node<T> fast... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleRemovalBruteForce.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleRemovalBruteForce.java | package com.baeldung.algorithms.linkedlist;
public class CycleRemovalBruteForce {
public static <T> boolean detectAndRemoveCycle(Node<T> head) {
CycleDetectionResult<T> result = CycleDetectionByFastAndSlowIterators.detectCycle(head);
if (result.cycleExists) {
removeCycle(result.node, ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleRemovalWithoutCountingLoopNodes.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleRemovalWithoutCountingLoopNodes.java | package com.baeldung.algorithms.linkedlist;
public class CycleRemovalWithoutCountingLoopNodes {
public static <T> boolean detectAndRemoveCycle(Node<T> head) {
CycleDetectionResult<T> result = CycleDetectionByFastAndSlowIterators.detectCycle(head);
if (result.cycleExists) {
removeCycle... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionResult.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleDetectionResult.java | package com.baeldung.algorithms.linkedlist;
public class CycleDetectionResult<T> {
boolean cycleExists;
Node<T> node;
public CycleDetectionResult(boolean cycleExists, Node<T> node) {
super();
this.cycleExists = cycleExists;
this.node = node;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleRemovalByCountingLoopNodes.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/linkedlist/CycleRemovalByCountingLoopNodes.java | package com.baeldung.algorithms.linkedlist;
public class CycleRemovalByCountingLoopNodes {
public static <T> boolean detectAndRemoveCycle(Node<T> head) {
CycleDetectionResult<T> result = CycleDetectionByFastAndSlowIterators.detectCycle(head);
if (result.cycleExists) {
removeCycle(resu... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/numberwordconverter/NumberWordConverter.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/numberwordconverter/NumberWordConverter.java | package com.baeldung.algorithms.numberwordconverter;
import java.math.BigDecimal;
import pl.allegro.finance.tradukisto.MoneyConverters;
public class NumberWordConverter {
public static final String INVALID_INPUT_GIVEN = "Invalid input given";
public static final String[] ones = { "", "one", "two", "three",... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/BacktrackingAlgorithm.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/BacktrackingAlgorithm.java | package com.baeldung.algorithms.sudoku;
import java.util.stream.IntStream;
public class BacktrackingAlgorithm {
private static final int BOARD_SIZE = 9;
private static final int SUBSECTION_SIZE = 3;
private static final int BOARD_START_INDEX = 0;
private static final int NO_VALUE = 0;
private st... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/ColumnNode.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/ColumnNode.java | package com.baeldung.algorithms.sudoku;
class ColumnNode extends DancingNode {
int size;
String name;
ColumnNode(String n) {
super();
size = 0;
name = n;
C = this;
}
void cover() {
unlinkLR();
for (DancingNode i = this.D; i != this; i = i.D) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/DancingLinksAlgorithm.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/DancingLinksAlgorithm.java | package com.baeldung.algorithms.sudoku;
import java.util.Arrays;
public class DancingLinksAlgorithm {
private static final int BOARD_SIZE = 9;
private static final int SUBSECTION_SIZE = 3;
private static final int NO_VALUE = 0;
private static final int CONSTRAINTS = 4;
private static final int MIN... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/DancingNode.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/DancingNode.java | package com.baeldung.algorithms.sudoku;
class DancingNode {
DancingNode L, R, U, D;
ColumnNode C;
DancingNode hookDown(DancingNode node) {
assert (this.C == node.C);
node.D = this.D;
node.D.U = node;
node.U = this;
this.D = node;
return node;
}
Danc... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/DancingLinks.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/sudoku/DancingLinks.java | package com.baeldung.algorithms.sudoku;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
public class DancingLinks {
private ColumnNode header;
private List<DancingNode> answer;
private void search(int k) {
if (header.R == header) {
handleSolution(answe... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/SlopeOne.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/SlopeOne.java | package com.baeldung.algorithms.slope_one;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
/**
* Slope One algorithm implementation
*/
public class SlopeOne {
private static Map<Item, Map<Item, Double>> diff = new HashMa... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/InputData.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/InputData.java | package com.baeldung.algorithms.slope_one;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import lombok.Data;
@Data
public class InputData {
protected static List<Item> items = Arrays.asList(new Item("Candy"), new I... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/Item.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/Item.java | package com.baeldung.algorithms.slope_one;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Item {
private String itemName;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/User.java | algorithms-modules/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/User.java | package com.baeldung.algorithms.slope_one;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class User {
private String username;
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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