Question

You can get 50 if you can solve it.

In java programming, Write a class specifier (along with its constructor) that creates a class 'student' having two private data members: roll no and grade and two public functions init() and display().

(Do not write full definitions of member functions except for constructor).

Answer 1

Answer:

import java.io.*;

import java.util.*;

class student{

private int rollno,grade;

public student(){

}

public void init(){

           Scanner sc = new Scanner(System.in);

           System.out.println("Enter Student Roll number");

           rollno = sc.nextInt();

           System.out.println("Enter Student's grade");

           grade = sc.nextInt();

}

public void display(){

           System.out.println("Roll number :"+rollno+"\nGrade : "+grade);

}

}

public class Main{

   public static void main(String args[]){

       student st = new student();

       st.init();

       st.display();

   }

}