extending abstract class - Java Object Oriented Design

Java examples for Object Oriented Design:Abstract Class

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Description

extending abstract class

Demo Code

     /*from   w w  w .  j a  v a2  s .  co m*/

import java.util.*;

abstract class Book
{
    String title;
    String author;
    Book(String t,String a){
        title=t;
        author=a;
    }
    abstract void display();


}
class MyBook extends Book{
    String title;
    String author;
    int price;
    MyBook(String t,String a,int p){
        super(t,a);
        this.title=t;
        this.author=a;
        this.price=p;
    }
    void display(){
        System.out.println("Title: "+title);
        System.out.println("Author: "+author);
        System.out.println("Price: "+price);
    }
}
public class Main{
   
   public static void main(String []args)
   {
      Scanner sc=new Scanner(System.in);
      String title=sc.nextLine();
      String author=sc.nextLine();
      int price=sc.nextInt();
      Book new_novel=new MyBook(title,author,price);
      new_novel.display();
      
   }
}

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