错在哪，==》是神莫意思，为甚莫要("three=one+two==>"+three);
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("three+=one==》 +"three);
int three-=one;
System.out.println("three-=one==》 +"three);
int three*=one;
System.out.println("three*=one==》 +"three);
int three/=one;
System.out.println("three/=one==》 +"three);
int three%=one;
System.out.println("three%=one==》 +"three);
