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 |
|---|---|---|---|---|---|---|---|---|
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P102_StrShortener/src/main/java/modern/challenge/Concat.java | Chapter04/P102_StrShortener/src/main/java/modern/challenge/Concat.java | package modern.challenge;
record Concat(Str first, Str second) implements Str {} | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P102_StrShortener/src/main/java/modern/challenge/Main.java | Chapter04/P102_StrShortener/src/main/java/modern/challenge/Main.java | package modern.challenge;
public class Main {
/*
public static Str shortener(Str str) {
if (str instanceof Concat s) {
if (s.first() instanceof Variable first
&& s.second() instanceof Literal second && second.text().isBlank()) {
return firs... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P102_StrShortener/src/main/java/modern/challenge/Variable.java | Chapter04/P102_StrShortener/src/main/java/modern/challenge/Variable.java | package modern.challenge;
record Variable(String name) implements Str {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/EngineType.java | Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/EngineType.java | package modern.challenge;
public sealed abstract class EngineType permits ESSEngine, DSLEngine, LPGEngine {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/LPGEngine.java | Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/LPGEngine.java | package modern.challenge;
public final class LPGEngine extends EngineType {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/DSLEngine.java | Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/DSLEngine.java | package modern.challenge;
public final class DSLEngine extends EngineType {} | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/Car.java | Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/Car.java | package modern.challenge;
public record Car<E extends EngineType>(E engineType) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/Main.java | Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/Main.java | package modern.challenge;
public class Main {
public static void main(String[] args) {
Car<? extends EngineType> car1 = new Car(new DSLEngine());
Car<? extends EngineType> car2 = new Car(new ESSEngine());
Car<? extends EngineType> car3 = new Car(new LPGEngine());
System.o... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/ESSEngine.java | Chapter04/P103_UnnamedPatternSwitch2/src/main/java/modern/challenge/ESSEngine.java | package modern.challenge;
public final class ESSEngine extends EngineType {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P100_GenericRecords/src/main/java/modern/challenge/MelonRecord.java | Chapter04/P100_GenericRecords/src/main/java/modern/challenge/MelonRecord.java | package modern.challenge;
public record MelonRecord(String type, float weight) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P100_GenericRecords/src/main/java/modern/challenge/EngineRecord.java | Chapter04/P100_GenericRecords/src/main/java/modern/challenge/EngineRecord.java | package modern.challenge;
public record EngineRecord<X, Y, Z>(X x, Y y, Z z) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P100_GenericRecords/src/main/java/modern/challenge/ContainerRecord.java | Chapter04/P100_GenericRecords/src/main/java/modern/challenge/ContainerRecord.java | package modern.challenge;
public record ContainerRecord<C>(C c) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P100_GenericRecords/src/main/java/modern/challenge/FruitRecord.java | Chapter04/P100_GenericRecords/src/main/java/modern/challenge/FruitRecord.java | package modern.challenge;
public record FruitRecord<T>(T t, String country) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P100_GenericRecords/src/main/java/modern/challenge/Main.java | Chapter04/P100_GenericRecords/src/main/java/modern/challenge/Main.java | package modern.challenge;
@SuppressWarnings("unchecked")
public class Main {
public static void main(String[] args) {
FruitRecord<MelonRecord> fruit =
new FruitRecord<>(new MelonRecord("Hami", 1000), "China");
EngineRecord<String, Integer, String> engine = new EngineRecord("... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/MelonMarketRecord.java | Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/MelonMarketRecord.java | package modern.challenge;
import java.util.List;
public record MelonMarketRecord(List<MelonRecord> melons, String country) {} | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/MelonRecord.java | Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/MelonRecord.java | package modern.challenge;
public record MelonRecord(String type, float weight) {} | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/Records.java | Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/Records.java | package modern.challenge;
import java.lang.reflect.Constructor;
import java.lang.reflect.RecordComponent;
import java.util.Arrays;
public class Records {
private Records() {
throw new AssertionError("Cannot be instantiated");
}
// this method is from the official documentation of JDK
// http... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/Main.java | Chapter04/P95_RecordCanonicalCntrReflection/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
public class Main {
public static void main(String[] args)
throws NoSuchMethodException, InvocationTargetException,
InstantiationException, IllegalA... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/MainApplication.java | Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/MainApplication.java | package modern.challenge;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class MainApplication {
public static void main(String[] args) {
SpringApplication.run(MainApplication.class, args);
}
}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/controller/BookstoreController.java | Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/controller/BookstoreController.java | package modern.challenge.controller;
import java.util.List;
import modern.challenge.service.BookstoreService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import modern.challenge.record.Author;
@RestController
public record BookstoreContro... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/service/BookstoreService.java | Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/service/BookstoreService.java | package modern.challenge.service;
import java.util.List;
import org.springframework.stereotype.Service;
import modern.challenge.record.Author;
import modern.challenge.record.Book;
@Service
public class BookstoreService {
public List<Author> fetchAuthors() {
List<Author> authors = List.of(
... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/record/Book.java | Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/record/Book.java | package modern.challenge.record;
public record Book(String title, String isbn) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/record/Author.java | Chapter04/P104_JavaRecordsDependencyInjection/src/main/java/modern/challenge/record/Author.java | package modern.challenge.record;
import java.util.List;
public record Author(String name, String genre, List<Book> books) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/MainApplication.java | Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/MainApplication.java | package com.classicmodels;
import com.classicmodels.service.ClassicModelsService;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.r2dbc.R2dbcAutoConfi... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordProduct.java | Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordProduct.java | package com.classicmodels.dto;
public record RecordProduct(String productName, String productVendor, Integer quantityInStock) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordOffice.java | Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordOffice.java | package com.classicmodels.dto;
public record RecordOffice(String officeCode, String state, String city) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordManager.java | Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordManager.java | package com.classicmodels.dto;
import java.util.List;
public record RecordManager(Long managerId, String managerName, List<RecordOffice> offices) {} | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordProductLine.java | Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/dto/RecordProductLine.java | package com.classicmodels.dto;
import java.util.List;
public record RecordProductLine(String productLine, String textDescription, List<RecordProduct> products) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/service/ClassicModelsService.java | Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/service/ClassicModelsService.java | package com.classicmodels.service;
import com.classicmodels.repository.ClassicModelsRepository;
import org.springframework.stereotype.Service;
@Service
public class ClassicModelsService {
private final ClassicModelsRepository classicModelsRepository;
public ClassicModelsService(ClassicModelsRepository class... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/repository/ClassicModelsRepository.java | Chapter04/P106_RecordAndjOOQMultisetAgg/src/main/java/com/classicmodels/repository/ClassicModelsRepository.java | package com.classicmodels.repository;
import com.classicmodels.dto.RecordManager;
import com.classicmodels.dto.RecordOffice;
import com.classicmodels.dto.RecordProduct;
import com.classicmodels.dto.RecordProductLine;
import java.util.List;
import static jooq.generated.tables.Manager.MANAGER;
import static jooq.generat... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/MelonRecord.java | Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/MelonRecord.java | package modern.challenge;
public record MelonRecord(SeedRecord seed, float weight) implements Fruit {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/Fruit.java | Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/Fruit.java | package modern.challenge;
public interface Fruit {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/SeedRecord.java | Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/SeedRecord.java | package modern.challenge;
public record SeedRecord(String type, String country) implements Fruit {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/EggplantRecord.java | Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/EggplantRecord.java | package modern.challenge;
public record EggplantRecord(SeedRecord seed, float weight) implements Fruit {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/Main.java | Chapter04/P101_UnconditionalPatternRecords/src/main/java/modern/challenge/Main.java | package modern.challenge;
public class Main {
public static String buyFruit1(Fruit fruit) {
return switch(fruit) {
case null -> "Ops!";
case SeedRecord(String type, String country) -> "This is a seed of " + type + " from " + country;
case EggplantRecord(Seed... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/MainApplication.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/MainApplication.java | package com.bookstore;
import com.bookstore.dto.AuthorDto;
import java.util.List;
import com.bookstore.service.BookstoreService;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springfr... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dto/AuthorDto.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dto/AuthorDto.java | package com.bookstore.dto;
import java.util.List;
public record AuthorDto(Long id, String name, int age, List<BookDto> books) {
public void addBook(BookDto book) {
books().add(book);
}
}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dto/BookDto.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dto/BookDto.java | package com.bookstore.dto;
public record BookDto(Long id, String title) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dao/Dao.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dao/Dao.java | package com.bookstore.dao;
import com.bookstore.dto.AuthorDto;
import com.bookstore.transformer.AuthorBookTransformer;
import jakarta.persistence.EntityManager;
import jakarta.persistence.PersistenceContext;
import jakarta.persistence.Query;
import java.util.List;
import org.springframework.stereotype.Repository;
impo... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dao/AuthorDao.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/dao/AuthorDao.java | package com.bookstore.dao;
import java.util.List;
import com.bookstore.dto.AuthorDto;
public interface AuthorDao {
public List<AuthorDto> fetchAuthorWithBook();
}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/service/BookstoreService.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/service/BookstoreService.java | package com.bookstore.service;
import com.bookstore.dao.Dao;
import com.bookstore.dto.AuthorDto;
import java.util.List;
import org.springframework.stereotype.Service;
@Service
public record BookstoreService(Dao dao) {
public List<AuthorDto> fetchAuthorWithBook() {
List<AuthorDto> authors = dao.fetchA... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/entity/Book.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/entity/Book.java | package com.bookstore.entity;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.ManyToOne;
import java.io.Seriali... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/entity/Author.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/entity/Author.java | package com.bookstore.entity;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.OneToMany;
import java.io.Serializable;
import java.util.ArrayList;
im... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/transformer/AuthorBookTransformer.java | Chapter04/P105_DtoRecordResultTransformer/src/main/java/com/bookstore/transformer/AuthorBookTransformer.java | package com.bookstore.transformer;
import com.bookstore.dto.AuthorDto;
import com.bookstore.dto.BookDto;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.hibernate.query.ResultListTransformer;
import org.hibernate.query.TupleTransformer;
public class Author... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P90_EnrichedRecord/src/main/java/modern/challenge/MelonRecord.java | Chapter04/P90_EnrichedRecord/src/main/java/modern/challenge/MelonRecord.java | package modern.challenge;
public record MelonRecord(String type, float weight) {
private static final String DEFAULT_MELON_TYPE = "Crenshaw";
private static final float DEFAULT_MELON_WEIGHT = 1000;
public float weightToKg() {
return weight / 1_000;
}
public static MelonRecord getDefault... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P90_EnrichedRecord/src/main/java/modern/challenge/Main.java | Chapter04/P90_EnrichedRecord/src/main/java/modern/challenge/Main.java | package modern.challenge;
public class Main {
public static void main(String[] args) {
MelonRecord melon = new MelonRecord("Cantaloupe", 2600);
System.out.println(melon);
System.out.println(melon.weight() + " g = " + melon.weightToKg() + " Kg");
S... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnamedVariables/src/main/java/modern/challenge/Melon.java | Chapter04/P103_UnamedVariables/src/main/java/modern/challenge/Melon.java | package modern.challenge;
import java.util.Objects;
public class Melon {
private final String type;
private final int weight;
public Melon(String type, int weight) {
this.type = type;
this.weight = weight;
}
public String getType() {
return type;
}
public int ge... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnamedVariables/src/main/java/modern/challenge/Main.java | Chapter04/P103_UnamedVariables/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.io.IOException;
import java.lang.foreign.Arena;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class Main {
public static void main(String[] args) throws ... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Hospital.java | Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Hospital.java | package modern.challenge;
import java.time.LocalDate;
public final class Hospital {
private Hospital() {
throw new AssertionError("Cannot be instantiated");
}
public static String cabinet(Staff staff) {
/*
if (staff instanceof Doctor(String name, String... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Patient.java | Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Patient.java | package modern.challenge;
public record Patient(String name, int npi, Appointment appointment) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Resident.java | Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Resident.java | package modern.challenge;
public record Resident(String name, Doctor doctor) implements Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Staff.java | Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Staff.java | package modern.challenge;
public interface Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Appointment.java | Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Appointment.java | package modern.challenge;
import java.time.LocalDate;
public record Appointment(LocalDate date, Doctor doctor) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Doctor.java | Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Doctor.java | package modern.challenge;
public record Doctor(String name, String specialty) implements Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Main.java | Chapter04/P103_UnnamedPatternsInstanceof/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.time.LocalDate;
public class Main {
public static void main(String[] args) {
Doctor dr = new Doctor("John Beer", "Dermatology");
Resident rs = new Resident("Mark Oil", dr);
Patient pt = new Patient("Alicia Goy", 1234567890,
ne... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Hospital.java | Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Hospital.java | package modern.challenge;
public final class Hospital {
private Hospital() {
throw new AssertionError("Cannot be instantiated");
}
/*
public static String cabinet(Staff staff) {
if (staff instanceof Doctor) {
Doctor dr = (Doctor) staff;
return "Cabinet... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Patient.java | Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Patient.java | package modern.challenge;
public record Patient(String name, int npi, Appointment appointment) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Resident.java | Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Resident.java | package modern.challenge;
public record Resident(String name, Doctor doctor) implements Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Staff.java | Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Staff.java | package modern.challenge;
public interface Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Appointment.java | Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Appointment.java | package modern.challenge;
import java.time.LocalDate;
public record Appointment(LocalDate date, Doctor doctor) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Doctor.java | Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Doctor.java | package modern.challenge;
public record Doctor(String name, String specialty) implements Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Main.java | Chapter04/P97_RecordPatternInstanceof/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.time.LocalDate;
public class Main {
public static void main(String[] args) {
Doctor dr = new Doctor("John Beer", "Dermatology");
Resident rs = new Resident("Mark Oil", dr);
Patient pt = new Patient("Alicia Goy", 1234567890,
new Appoin... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/MelonRecord.java | Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/MelonRecord.java | package modern.challenge;
import java.io.Serializable;
import java.util.Objects;
public record MelonRecord(String type, float weight) implements Serializable {
public MelonRecord {
Objects.requireNonNull(type, "The melon's type cannot be null");
if (weight < 1000 || weight > 10000) {... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/Melon.java | Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/Melon.java | package modern.challenge;
import java.io.Serializable;
import java.util.Objects;
public class Melon implements Serializable {
private final String type;
private final float weight;
public Melon(String type, float weight) {
Objects.requireNonNull(type, "The melon's type cannot be null");... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/MelonContainer.java | Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/MelonContainer.java | package modern.challenge;
import java.io.ObjectStreamException;
import java.io.Serial;
import java.io.Serializable;
import java.time.LocalDate;
import java.util.Objects;
public class MelonContainer implements Serializable {
private final LocalDate expiration;
private final String batch;
private final Mel... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/Main.java | Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.time.LocalDate;
public class Main {
public static void main(String[] args) throws IOException, ClassNotFoundExcep... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/MelonContainerRecord.java | Chapter04/P94_RefactoringSerialization/src/main/java/modern/challenge/MelonContainerRecord.java | package modern.challenge;
import java.io.ObjectStreamException;
import java.io.Serial;
import java.io.Serializable;
import java.time.LocalDate;
import java.util.Objects;
public record MelonContainerRecord(LocalDate expiration, String batch, Melon melon) implements Serializable {
public MelonContainerRecord {
... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Hospital.java | Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Hospital.java | package modern.challenge;
import java.time.LocalDate;
public final class Hospital {
private Hospital() {
throw new AssertionError("Cannot be instantiated");
}
public static String cabinet(Staff staff) {
return switch(staff) {
//case Doctor dr... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Patient.java | Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Patient.java | package modern.challenge;
public record Patient(String name, int npi, Appointment appointment) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Resident.java | Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Resident.java | package modern.challenge;
public record Resident(String name, Doctor doctor) implements Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Staff.java | Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Staff.java | package modern.challenge;
public interface Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Appointment.java | Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Appointment.java | package modern.challenge;
import java.time.LocalDate;
public record Appointment(LocalDate date, Doctor doctor) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Doctor.java | Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Doctor.java | package modern.challenge;
public record Doctor(String name, String specialty) implements Staff {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Main.java | Chapter04/P99_RecordPatternSwitchGuarded/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.time.LocalDate;
public class Main {
public static void main(String[] args) {
Doctor dr1 = new Doctor("John Beer", "Dermatology");
Doctor dr2 = new Doctor("Kyle Ulm", "Allergy");
Doctor dr3 = new Doctor("John Hora", "Allergy");
Reside... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/MainApplication.java | Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/MainApplication.java | package com.classicmodels;
import com.classicmodels.service.ClassicModelsService;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.r2dbc.R2dbcAutoConfi... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordProduct.java | Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordProduct.java | package com.classicmodels.dto;
public record RecordProduct(String productName, String productVendor, Integer quantityInStock) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordOffice.java | Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordOffice.java | package com.classicmodels.dto;
public record RecordOffice(String officeCode, String state, String city) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordManager.java | Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordManager.java | package com.classicmodels.dto;
import java.util.List;
public record RecordManager(Long managerId, String managerName, List<RecordOffice> offices) {} | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordProductLine.java | Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/dto/RecordProductLine.java | package com.classicmodels.dto;
import java.util.List;
public record RecordProductLine(String productLine, String textDescription, List<RecordProduct> products) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/service/ClassicModelsService.java | Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/service/ClassicModelsService.java | package com.classicmodels.service;
import com.classicmodels.repository.ClassicModelsRepository;
import org.springframework.stereotype.Service;
@Service
public class ClassicModelsService {
private final ClassicModelsRepository classicModelsRepository;
public ClassicModelsService(ClassicModelsRepository class... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/repository/ClassicModelsRepository.java | Chapter04/P106_RecordAndjOOQMultiset/src/main/java/com/classicmodels/repository/ClassicModelsRepository.java | package com.classicmodels.repository;
import com.classicmodels.dto.RecordManager;
import com.classicmodels.dto.RecordOffice;
import com.classicmodels.dto.RecordProduct;
import com.classicmodels.dto.RecordProductLine;
import java.util.List;
import static jooq.generated.tables.Manager.MANAGER;
import static jooq.generat... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P96_UsingRecordsInStreams/src/main/java/modern/challenge/MelonRecord.java | Chapter04/P96_UsingRecordsInStreams/src/main/java/modern/challenge/MelonRecord.java | package modern.challenge;
public record MelonRecord(String type, float weight) {} | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P96_UsingRecordsInStreams/src/main/java/modern/challenge/WeightsAndTotalRecord.java | Chapter04/P96_UsingRecordsInStreams/src/main/java/modern/challenge/WeightsAndTotalRecord.java | package modern.challenge;
import java.util.List;
public record WeightsAndTotalRecord(double totalWeight, List<Float> weights) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P96_UsingRecordsInStreams/src/main/java/modern/challenge/Main.java | Chapter04/P96_UsingRecordsInStreams/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import static java.util.stream.Collectors.counting;
import static java.util.stream.Collectors.mapping;
import static java.util.stream.Collectors.summin... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/MainApplication.java | Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/MainApplication.java | package com.bookstore;
import com.bookstore.dto.AuthorDto;
import java.util.List;
import com.bookstore.service.BookstoreService;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springfr... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/dto/AuthorDto.java | Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/dto/AuthorDto.java | package com.bookstore.dto;
public record AuthorDto(String name, int age) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/service/BookstoreService.java | Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/service/BookstoreService.java | package com.bookstore.service;
import com.bookstore.dto.AuthorDto;
import java.util.List;
import com.bookstore.repository.AuthorRepository;
import org.springframework.stereotype.Service;
@Service
public class BookstoreService {
private final AuthorRepository authorRepository;
public BookstoreService(AuthorR... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/repository/AuthorRepository.java | Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/repository/AuthorRepository.java | package com.bookstore.repository;
import com.bookstore.dto.AuthorDto;
import java.util.List;
import com.bookstore.entity.Author;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import org.springframework.data.jpa.repository.Query;
import org.springframewo... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/entity/Author.java | Chapter04/P105_DtoRecordConstructorExpression/src/main/java/com/bookstore/entity/Author.java | package com.bookstore.entity;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import java.io.Serializable;
@Entity
public class Author implements Serializable {
private static final long serialVersionUID = 1L... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/MainApplication.java | Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/MainApplication.java | package modern.challenge;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
@SpringBootApplication
@ConfigurationPropertiesScan
public class MainApplication {
publ... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/controller/BookstoreController.java | Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/controller/BookstoreController.java | package modern.challenge.controller;
import modern.challenge.service.BookstoreService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class BookstoreController {
private final BookstoreService bookstoreService;
... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/service/BookstoreService.java | Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/service/BookstoreService.java | package modern.challenge.service;
import org.springframework.stereotype.Service;
import modern.challenge.record.BestSellerConfig;
@Service
public class BookstoreService {
private final BestSellerConfig bestSeller;
public BookstoreService(BestSellerConfig bestSeller) {
this.bestSeller = bestSeller;
... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/record/Book.java | Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/record/Book.java | package modern.challenge.record;
public record Book(String title, String isbn) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/record/BestSellerConfig.java | Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/record/BestSellerConfig.java | package modern.challenge.record;
import org.springframework.boot.context.properties.ConfigurationProperties;
@ConfigurationProperties(prefix = "bookstore.bestseller")
public record BestSellerConfig(String author, String book) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/record/Author.java | Chapter04/P104_JavaRecordsInConfigs/src/main/java/modern/challenge/record/Author.java | package modern.challenge.record;
import java.util.List;
public record Author(String name, String genre, List<Book> books) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P89_RecordCanonicalCntr/src/main/java/modern/challenge/MelonRecord.java | Chapter04/P89_RecordCanonicalCntr/src/main/java/modern/challenge/MelonRecord.java | package modern.challenge;
public record MelonRecord(String type, float weight) {
// explicit canonical constructor for validations
public MelonRecord(String type, float weight) {
if (type == null) {
throw new IllegalArgumentException("The melon's type cannot be null");
}
... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P89_RecordCanonicalCntr/src/main/java/modern/challenge/MarketRecord.java | Chapter04/P89_RecordCanonicalCntr/src/main/java/modern/challenge/MarketRecord.java | package modern.challenge;
import java.util.Map;
public record MarketRecord(Map<String, Integer> retails) {
public MarketRecord {
retails.putIfAbsent("Celery", 4); // this is allowed
retails = Map.copyOf(retails);
// retails.putIfAbsent("Lemon", 11); // this is not allow... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P89_RecordCanonicalCntr/src/main/java/modern/challenge/Main.java | Chapter04/P89_RecordCanonicalCntr/src/main/java/modern/challenge/Main.java | package modern.challenge;
import java.util.HashMap;
import java.util.Map;
public class Main {
public static void main(String[] args) {
MelonRecord melon = new MelonRecord("Cantaloupe", 2600);
System.out.println(melon);
System.out.println(melon.type());
System.out... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_RecordAndEmbeddables/src/main/java/com/bookstore/MainApplication.java | Chapter04/P105_RecordAndEmbeddables/src/main/java/com/bookstore/MainApplication.java | package com.bookstore;
import com.bookstore.dto.AuthorDto;
import java.util.List;
import com.bookstore.service.BookstoreService;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springfr... | java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
PacktPublishing/Java-Coding-Problems-Second-Edition | https://github.com/PacktPublishing/Java-Coding-Problems-Second-Edition/blob/47b7c834407a607580baf8e3a23c1c24c24b8bc0/Chapter04/P105_RecordAndEmbeddables/src/main/java/com/bookstore/dto/AuthorDto.java | Chapter04/P105_RecordAndEmbeddables/src/main/java/com/bookstore/dto/AuthorDto.java | package com.bookstore.dto;
import com.bookstore.embeddable.Contact;
public record AuthorDto(String name, int age, Contact contact) {}
| java | MIT | 47b7c834407a607580baf8e3a23c1c24c24b8bc0 | 2026-01-05T02:37:06.170961Z | false |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.