public class HelloWorld{
??? public static void main(String[] args) {
?? ???? int one = 10 ;
??????? int two = 20 ;
??????? int three = 0 ;
??????? int three=one+two;
??????? System.out.println("three=one+two==>"+three);
??????? int three+=one;
??????? System.out.println("therr+=one==>"+three);
??????? int three-=one;
??????? System.out.println("three-=one==>"+three);
??????? int three*=one;
??????? System.out.println("three*=onr==>"+three);
??????? int three/=one;
??????? System.out.println("three/=one==>"+three);
??????? int three%=one;
??????? System.out.println("three%=one==>"+three);