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// class Mybook, khong can public--Step1
class MyBook extends Book{
// dung tu khoa extend de ke tua lop abstract Book--Step2
@Override
// ghi de method setTitle voi tham so, va tao body goi s --Step3
public void setTitle(String s){
this.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();
}
}
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Java Abstract Class
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import java.util.*; abstract class Book{ String title; abstract void setTitle(String s); String getTitle(){ return title; } }
//Write MyBook class here
// class Mybook, khong can public--Step1 class MyBook extends Book{ // dung tu khoa extend de ke tua lop abstract Book--Step2 @Override // ghi de method setTitle voi tham so, va tao body goi s --Step3 public void setTitle(String s){ this.title = s; }
}
public class Main{
}