Decrement Java

package decrement;

public class Decrement {
    public static void main(String[] args) {
        int a = 10;
        System.out.println("Pre-Decrement");
        System.out.println("a = "+a);
        System.out.println("--a = "+ --a);
        System.out.println("a = "+a);
        int b = 10;
        System.out.println("Post-Decrement");
        System.out.println("b = "+b);
        System.out.println("b-- = "+ b--);
        System.out.println("b = "+b);
    }
}