App8_4方法的覆盖

//方法的覆盖（方法的重写）
class Person
{
protected String name;
protected int age;
public Person(String name,int age)
{
this.name=name;
this.age=age;
}
protected void show()
{
System.out.println("姓名："+name+" 年龄："+age);
}
}
class Student extends Person
{
private String department;
public Student(String name,int age,String dep)
{
super(name,age);   //调用父类有参构造方法
department=dep;
}
protected void show()          //覆盖父类Person中的同名方法
{
System.out.println("系别："+department);
}
}
public class App8_4 {
public static void main(String[] args)
{
Student stu=new Student("LILEI",22,"计算机");
stu.show();
}

}