Pre-increment and Post-increment in Java

/**
 * @author lautturi.com 
 * Java example: java Pre-increment and Post-increment 
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		
		int x =0;
		int y =0;
		
		// PRE increments 
		// increment first,then assignment 
		System.out.println("x"+ x);
		int a = ++x;
		System.out.println("x"+ x);
		System.out.println("a"+ a);

		// POST increments
		// assignment first,then increment
		System.out.println("y"+ y);
		int b = y++;
		System.out.println("y"+ y);
		System.out.println("b"+ b);

	}
}

output:

x0
x1
a1
y0
y1
b0