public boolean equals(String s)

public class Example8_2{

public static void main(String args[]){

String s1,s2;

s1=new String("天道酬勤");

s2=new String("天道酬勤");

System.out.println(s1.equals(s2));//输出结果是true

System.out.println(s1==s2);//输出结果是false

String s3,s4;

s3="we are students";

s4=new String("we are students");

System.out.println(s3.equals(s4));//输出结果是true

System.out.println(s3==s4);//输出结果是false

String s5,s6;

s5="勇者无敌";

s6="勇者无敌";

System.out.println(s5.equals(s6));//输出结果是true

System.out.println(s5==s6);//输出结果是true

}

}