package java面向对象;

/**
 * 测试object类
 */
public class TestObject extends Object{

    public String toString(){
        return "测试重写";
    }

    public static void main(String[] args) {
        TestObject to=new TestObject();
        System.out.println(to.toString());

        Person2 p2=new Person2("小红",18);
        System.out.println(p2.toString());

    }

}

class  Person2{
    String name;
    int age;
    public String toString(){
        return  name+"年龄"+age;
    }
    public  Person2(String  name,int age){
        this.name=name;
        this.age=age;
    }

        }