public class Student {

       public int age; //学生年龄
       public String name; //学生姓名
       public String degree; //学生学位
        public  void Student(int StudentAge, String StudentName)//得到姓名和年龄
        {
          this.name = StudentName;
          this.age = StudentAge;
        }

    public static class Undergraduate extends Student{
            public  void  Undergraduate(int StudentAge, String StudentName,String StudentDegree)
            {
                this.name = StudentName;
                this.age = StudentAge;
                this.degree = StudentDegree;
            }

    }


        public void show() //打印学生信息
        {
            System.out.println("名字:"+this.name+"\n年龄:"+this.age+"\n学位:"+this.degree);

        }

}