例子1.txt

这是一本java基础教程 对新手上路有很大帮助

public class Example6_1{
    public static void main(String args[ ]){
       String s1,s2;
       s1=new String("we are students");
       s2=new String("we are students");
       System.out.print(s1.equals(s2)+" ");    
       System.out.println(s1==s2);        
       String s3,s4; 
       s3="how are you";
       s4="how are you"; 
       System.out.print(s3.equals(s4)+" ");    
       System.out.println(s3==s4);
       System.out.print(s1.contains(s3)+" "); 
       System.out.println(s2.contains("stu"));            
    }
}