java程序设计基础_陈国君版第五版_第八章例题

java程序设计基础_陈国君版第五版_第八章例题

class Person{
	private String name;
	private int age;
	public Person(){
		System.out.println("调用了个人类的构造方法Person()");
	}
	public void setNameAge(String name , int age)
	{
		this.name = name ;
		this.age = age ;
	}
	public void show()
	{
		System.out.println("姓名："+name+"\t年龄："+age);
	}
	
}
class Student extends Person{
	private String department;
	public Student()
	{
		System.out.println("调用了学生类的构造方法Student()");
	}
	public void setDepartment(String dep)
	{
		department =dep;
		System.out.println("我是"+department+"的学生");
	}
}
public class Main8_1 {
	public static void main(String[] args)
	{
		Student stu =new Student();
		stu.setNameAge("张三",21);
		stu.show();
		stu.setDepartment("计算机系");
		
	}
}
class Person{
	pr