package ch4;

/**
 * 注意:该类中也有方法重载
 * @author TaoZhang
 *
 */
public class Person {
	// 属性(成员变量)定义
	private int id;
	private int age = 20;
	
	// 方法定义
	public int getAge() {
		return age;
	}
	public void setAge(int i) {
		age = i;
	}
	public int getID() {
		return id;
	}
	public void info() {
		System.out.println("Hello, id:" + id);
	}
	public void info(String v) {
		System.out.println(v + ", id:" + id);
	}
	
	
	// 构造方法定义, 包含重载
	public Person() {
		id = 0;
		//System.out.println("构造方法执行");
	}
	public Person(int id, int age) {
		this.id = id;
		this.age = age;
		//System.out.println("Person(int,int)构造方法执行");
	}
	
	public static void main(String[] args) {
		Person jack = new Person(10, 20);
		jack.info();
		Person rose = new Person(11, 22);
		rose.info("rose");
		
	}
}