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package com.wm.java.study;

public class People {

/**
*  wmhxhsix 1月14
* 复写equal方法  instanceof 与 getclass（）方法的比较
*/
String name;
int  age;
long tel;
public People(String name, int age, long tel) {
super();
this.name = name;
this.age = age;
this.tel = tel;
}

public boolean equals(Object obj){
if(obj instanceof People){// 当子类继承父类的时候 采用这中方法的比较的方法就是不进合理的 因此我们 将 insta
//nceof 改写为  obj.getclass()==People.class
// 来判断比较的两个类是否是相同的类
People p=(People)obj;

if(p.name.equals(this.name)&&(p.age==this.age)&&(p.tel==this.tel)){
return true;
}else{
return false;
}
}else{
return false;
}
}



public static void main(String[] args) {
// TODO Auto-generated method stub
People p1=new People("wm", 21, 123456);
Stu p2=new Stu("wm", 21, 123456);




if(p1.equals(p2)){
System.out.println("p1 equals p2");
System.out.println(p1.getClass());
System.out.println(p2.getClass());
System.out.println(People.class);

}else{
System.out.println("p1 does not equals p2");
}

}
}
class Stu extends People{

public Stu(String name, int age, long tel) {
super(name, age, tel);
}

}