Java Abstract Class Hackerrank Solution For Explanation Watch Video: Sample Input A tale of two cities Sample Output The title is: A tale of two cities Code: import java.util.*; abstract class Book{ String title; abstract void setTitle(String s); String getTitle(){ return title; } } //Write MyBook class here class MyBook extends Book{ void setTitle(String s){ title = s; } } public class Main{ public static void main(String []args){ //Book new_novel=new Book(); This line prHMain.java:25: error: Book is abstract; cannot be instantiated Scanner sc= new Scanner(System.in); String title=sc.nextLine(); MyBook new_novel= new MyBook(); new_novel.setTitle(title); System.out.println( "The title is: " +new_novel.getTitle()); sc.close(); } }