Question
final abstract class Bell
{ }
class DoorBell extends Bell
{
DoorBell()
{
System.out.println("DoorBell ringing..");
}
}
public class AbstractClassTesting2
{
public static void main(String[] args)
{
Bell bell = new DoorBell();
}
}a.
DoorBell ringing..
b.
No output
c.
Compiler error
d.
None of the above
Posted under Classes and Methods Java Programming
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. What is the output of the below Java program with an abstract class?
Similar Questions
Discover Related MCQs
Q. An abstract class in Java usually contains one or more abstract ____.
View solution
Q. Choose a correct implementation of an Abstract class in the below Java code?
View solution
Q. Which is the opposite of an Abstract Class?
View solution
Q. Can you create an object from an abstract class in Java?
View solution
Q. To create an Abstract class, the keyword "class" is also required. State TRUE or FALSE.
View solution
Q. An abstract class in Java can be created using the keyword ____.
View solution
Q. Which is the correct way of overriding a method throwing exceptions in Java?
View solution
Q. To successfully override a superclass method in Java, the access modifier of the method of the subclass can be ___ restrictive.
View solution
Q. An Overridden method is the method of ____ class and the overriding method is the method of ___ class.
View solution
Q. What are the advantages of Method Overriding in Java?
View solution
Q. Method overriding increases the burden on the JVM in terms of runtime checks and resolution. State TRUE or FALSE.
View solution
Q. A method of a Superclass can not override the method of the Subclass. State TRUE or FALSE.
View solution
Q. If the method signature of a Superclass and the method signature of a Subclass are the same, then the subclass method is said to be _____ the superclass's method.
View solution
Q. A failed method overriding calls the method of a ___ in Java.
View solution
Q. A successful Method Overriding calls the method of ___ in Java.
View solution
Q. Identify INVALID Java Method Overriding in the below code snippets?
Follow the notation "superclassMethod" and "subclassMethod".
View solution
Q. The Method-Overloading and Method-Overriding are not the same. State TRUE or FALSE.
View solution
Q. Why should a method be overridden in Java instead of writing a method with a different name?
View solution
Q. It is not mandatory to override all or a few methods of the Superclass. State TRUE or FALSE.
View solution
Q. Method Overriding is useful to add extra functionality or code to a method of subclass with the same name as the inherited method. State TRUE or FALSE.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Java Programming? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
.png)
.png)
