public class HelloWorld{

? ? public static void main(String[] args) {

? ? int one = 10 ;

? ? ? ? int two = 20 ;

? ? ? ? int three = 0 ;

? ? ? ? int s1 = one+two;

? ? ? ? System.out.println("three = one +two==>"+s1);

? ? ? ? int s2 =three+one;

? ? ? ? System.out.println("three += one ==>"+s2);

? ? ? ? int s3 =three-one;

? ? ? ? System.out.println("three -= one ==>"+s3);

? ? ? ? int s4 =three*one;?

? ? ? ? System.out.println("three *= one ==>"+s4);

? ? ? ? int s5 = three/one;? ? ? ? ? ? ? ? ?

? ? ? ? System.out.println("three /= one ==>"+s5);

? ? ? ? int s6 = three%one;

? ? ? ? System.out.println("three %= one ==>"+s6);

}

}