package cn.test;

public class StringEqualsTest {
    public static void main(String[] args) {
        String str1 = "回家了";
        String str2 = "回家了";
        String str3 = new String("回家了");
        String str4 = new String("回家了");
        
        System.out.println(str1.equals(str2));
        System.out.println(str3.equals(str4));
    }

}
运行结果：
true
true