\public class HelloWorld{

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

? ?int one = 10 ;

? ? ? ? int two = 20 ;

? ? ? ? int three = 0 ;

? ? ? ? three=one+two;

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

? ? ? ? three+=one;

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

? ? ? ? three+=one;

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

? ? ? ? three-=one;

? ? ? ? System.out.println("three*=one==>300"+three);

? ? ? ? three*=one;

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

? ? ? ? three/=one;

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

? ? ? ? three%=one;

? ??

}

}