public class Student {
    public int age;
    public String name;
    public Student(String name,int age)
    {
     this.name=name;
     this.age=age;
    }
 public void show() {
  System.out.println("This student is "+this.name +", age is "+this.age);
 }

}
public class Udergradute extends Student {
 String name;
 int age;
 String degree;
 public Udergradute(String name, int age,String degree) {
  super(name, age);
  this.name=name;
  this.age=age;
  this.degree=degree;
  // TODO Auto-generated constructor stub
 }
 public void show() {
  System.out.println("This undergradute is "+this.name +",age is "+this.age+",degree is"
    + " "+this.degree);
 }
}
public class test {
 public static void main(String[] args) {
 Student s1=new Student("Lemon",18);
 Udergradute s2=new Udergradute("Sissy",23,"doctor");
 s1.show();
 s2.show();
 }
}