代码
package com.java.test;

publicclass T1 {

publicstaticvoid main(String args[]){
String s1
="123";
String s2
="123";
System.out.println(s1
==s2);
String s3
=new String("abc");
String s4
=new String("abc");
System.out.println(s3
==s4);
System.out.println(s1
==s3);
}

}

 

true
false
false

posted on 2010-08-23 09:37  snowdrop  阅读(114)  评论(0)    收藏  举报