public class test {
public static void main(String[] args) {
Student stu1 =new Student("学炜",24);
stu1.show();
Student stu2=new Undergradute("学炜",24,"硕士");
stu2.show();
}
}
public class Student {
    
    String name;
    int age;    
    
    public Student() {
        super();
    }

    public Student(String name, int age) {
        super();
        this.name = name;
        this.age = age;
    }
    

    public void show(){        
        System.out.println("学生的名字为："+this.name+" 学生的年龄为："+this.age);
    }
        
}

	 



	public class Undergradute extends Student{

    private  String degree;//学位

    public Undergradute() {
        super();        
    }

    public Undergradute(String name, int age,String degree) {
        super(name, age);
        this.degree=degree;
    }
    
    public void show(){
        System.out.println("学生的名字为："+this.name+" 学生的年龄为："+this.age+" 学生的专业为："+this.degree);
    }
    
    
}