public class Test5 {

  public static void main(String[] args) {

    User mUser1 = new User("zhangsan", "123456");
    User mUser = new User("zhangsan", "123456");
    System.out.println(mUser == mUser1);
    System.out.println(mUser.equals(mUser1));

  }
}

class User {
  String name = "";
  String pwd = "";



  @Override//重写父类的equals方法
  public boolean equals(Object obj) {
    if (obj instanceof User) {
      User mUser = (User) obj;
      if (mUser.name.equals(name)&&mUser.pwd.equals(pwd)) {
        return true;
      }
    }
    return super.equals(obj);
  }


  public User(String name, String pwd) {
    super();
    this.name = name;
    this.pwd = pwd;
  }

}