public class HelloWorld{? ? public static void main(String[] args) { ? ?int one = 10 ;? ? ? ? int two = 20 ;? ? ? ? int three = 0 ;? ? ? ??? ? ? ? three1=one+two;//30? ? ? ? three2=three1+one;//40? ? ? ? three3=three2-one;//30? ? ? ? three4=three3*one;//300? ? ? ? three5=three4/one;//30? ? ? ? three6=three5%one;//0? ? ? ??? ? ? ? System.out.println("three=one+two==>"+three1);? ? ? ? System.out.println("three+=one==>"+three2);? ? ? ? System.out.println("three-=one==>"+thre3);? ? ? ? System.out.println("three*=one==>"+three4);? ? ? ? System.out.println("three/=one==>"+three5);? ? ? ? System.out.println("three%=one==>"+three6);