Question

define a class library with following description​

Answer 1

Answer:

kya kar na hai Define

define a class library with following description

Answer 2

Answer:

import java.util.Scanner;

public class Library

{

   private int accNum;

   private String title;

   private String author;

   

   void input() {

       Scanner in = new Scanner(System.in);

       System.out.print("Enter book title: ");

       title = in.nextLine();

       System.out.print("Enter author: ");

       author = in.nextLine();

       System.out.print("Enter accession number: ");

       accNum = in.nextInt();

   }

   

   void compute() {

       Scanner in = new Scanner(System.in);

       System.out.print("Enter number of days late: ");

       int days = in.nextInt();

       int fine = days * 2;

       System.out.println("Fine = Rs." + fine);

   }

   

   void display() {

       System.out.println("Accession Number\tTitle\tAuthor");

       System.out.println(accNum + "\t\t" + title + "\t" + author);

   }

   

   public static void main(String args[]) {

       Library obj = new Library();

       obj.input();

       obj.display();

       obj.compute();

   }