Java修炼——继承object类的用法_重写toString方法

Object类是所有java类的基类，也就意味着java所有类都有Object类的属性和方法。

package com.bjsxt.test;
public class TestToString {
	public static void main(String[] args) {
		TestToString tts=new TestToString();
		System.out.println(tts.toString());
		
		Person2 p2=new Person2("梨花", 15);
		System.out.println(p2.toString());
	}
	
	public String toString(){
		return "测试toString()重写";
	}
}
class Person2{
	String name;
	int age;
	
	public Person2(String name,int age) {
		this.age=age;
		this.name=name;
	}

	@Override
	public String toString(){
		return name+",年龄:"+age;
	}
}