// short program to demonstrate the value semantics of primitive types versus
// the reference semantics of object types

import java.util.*;

public class Semantics {
    public static void main(String[] args) {
        // value semantics
        int x = 3;
        int y = x;
        y = -98;
        System.out.println("x = " + x + ", y = " + y);
                
        // reference semantics
        int[] list1 = {2, 4, 6, 8};
        int[] list2 = list1;
        list2[0] = -98;
        System.out.println("list1 = " + Arrays.toString(list1));
        System.out.println("list2 = " + Arrays.toString(list2));
    }
}