Equal

package com;

public class StringEquals {

public static void main(String[] args) {

String s1=new String("Hello");

String s2=new String("Hello");

System.out.println(s1==s2);

System.out.println(s1.equals(s2));

String s3="Hello";

String s4="Hello";

System.out.println(s3==s4);

System.out.println(s3.equals(s4));

   }

}

Equal

原文：http://www.cnblogs.com/meng-1204/p/4907350.html