assign_elements_to_groups_with_constraints/java_tests/Main.java

import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;
public class Main {
    //Program start
    
    //Program end

    @Test
public void test1() {
    assertEquals(new ArrayList<>(Arrays.asList(0,0,-1,1,0)), assignElements(new ArrayList<>(Arrays.asList(8,4,3,2,4)), new ArrayList<>(Arrays.asList(4,2))));
}
@Test
public void test2() {
    assertEquals(new ArrayList<>(Arrays.asList(-1,1,0,-1)), assignElements(new ArrayList<>(Arrays.asList(2,3,5,7)), new ArrayList<>(Arrays.asList(5,3,3))));
}
@Test
public void test3() {
    assertEquals(new ArrayList<>(Arrays.asList(0,1,0,1)), assignElements(new ArrayList<>(Arrays.asList(10,21,30,41)), new ArrayList<>(Arrays.asList(2,1))));
}

}