String。equals()用法

package com.yiibai;

import java.lang.*;

public class StringDemo {

public static void main(String[] args) {

String str1 = "sachin tendulkar";
String str2 = "amrood admin";
String str3 = "amrood admin";

// checking for equality
boolean retval1 = str2.equals(str1);
boolean retval2 = str2.equals(str3);

// prints the return value
System.out.println("str2 is equal to str1 = " + retval1);
System.out.println("str2 is equal to str3 = " + retval2);
}
}