package equalsdemo;
/*
* 重写object中的equals方法
*/
public class equalsdemo {
public static void main(String[] args) {
person p1 = new person("zhangsan",54);
person p2 = new person("zhangsan",54);
if (p1.equals(p2)) {
System.out.println("这两个对象相等!!!");
}
else {
System.out.println("这两个 no 对象相等!!!");
}
}
}
class person{
private String name;
private int age;
public person(String name,int age){
this.name = name;
this.age = age;
}
public void setAge(int age) {
this.age = age;
}
public int getAge() {
return age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
//复写equals方法
@Override
public boolean equals(Object obj) {
// TODO Auto-generated method stub
//如果两个对象地址相等则相等
if (this==obj) {
return true;
}
//判断两个对象的值是否相等
//把传递过来的obj向下转型
person p = (person)obj;
if (p.getName().equals(this.getName())&&p.getAge()==this.getAge()) {
return true;
}
else {
return false;
}
}
}