Program awal Java 2 (Intro)

public class Contoh1 {
 public static void main(String[] args) {
    int a,b,c;
    a=15;b=25;
    System.out.println("Nilai a = "+a);
    System.out.println("Nilai b = "+b);
    c=b%2;
    a++;
    b--;
    System.out.println("Nilai a = "+a);
    System.out.println("Nilai b = "+b);
    System.out.println("Nilai c = "+c);
 }
}