Welcome to the Classes and Methods MCQs Page

Dive deep into the fascinating world of Classes and Methods with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Classes and Methods, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Classes and Methods, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

Check out the MCQs below to embark on an enriching journey through Classes and Methods. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Classes and Methods. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Classes and Methods MCQs | Page 28 of 30

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Q271.

Method overriding increases the burden on the JVM in terms of runtime checks and resolution. State TRUE or FALSE.

FALSE

TRUE

May be TRUE or FALSE

Can't Say

Discuss

Answer: (b).TRUE

Q272.

What are the advantages of Method Overriding in Java?

A subclass can add extra functionality to the overriding method.

A subclass can call both the overridden method and overriding method.

It supports polymorphism. A superclass reference can be used to call the common method of all subclasses.

All of the above

Discuss

Answer: (d).All of the above

Q273.

An Overridden method is the method of ____ class and the overriding method is the method of ___ class.

super, sub

sub, super

super, super

sub, sub

Discuss

Answer: (a).super, sub

Q274.

To successfully override a superclass method in Java, the access modifier of the method of the subclass can be ___ restrictive.

Less

Less or Same

None of the above

Discuss

Answer: (c).Less or Same

Q275.

Which is the correct way of overriding a method throwing exceptions in Java?

void show() throws IOException{ }
.
.
void show() throws FileNotFoundException{ }

void show() throws IOException{ }
.
.
void show() throws ArithmeticException{ }

void show() throws ArithmeticException{ }
.
.
void show() throws IllegalFormatException{ }

None of the above

Discuss

Answer: (a).void show() throws IOException{ }
.
.
void show() throws FileNotFoundException{ }

Q276.

An abstract class in Java can be created using the keyword ____.

final

interface

abstract

static

Discuss

Answer: (c).abstract

Q277.

To create an Abstract class, the keyword "class" is also required. State TRUE or FALSE.

TRUE

FALSE

May be TRUE or FALSE

Can't Say

Discuss

Answer: (a).TRUE

Q278.

Can you create an object from an abstract class in Java?

Yes

May be Yes or No

Can't Say

Discuss

Answer: (b).No

Q279.

Which is the opposite of an Abstract Class?

Interface

concrete class

Super class

None of the above

Discuss

Answer: (b).concrete class

Q280.

Choose a correct implementation of an Abstract class in the below Java code?

abstract class ClassA { }

abstract class ClassB
{
abstract void method();
}

abstract class ClassC
{
void method()
{
System.out.print("Hello Abstract Class");
}
}

All of the above

Discuss

Answer: (d).All of the above

Page 28 of 30

Welcome to the Classes and Methods MCQs Page

Classes and Methods MCQs | Page 28 of 30

Explore more Topics under Java Programming

Language Fundamentals

Data Types,Variables and Arrays

Operators and Control Statements

Inheritance

String Handling

java lang and java io

Serialization and Networking

java util

Exception Handling in Java

Multithreading

IO and Applets

Event Handling

Interfaces and Packages

Session Management,JSP and Servlet

Miscellaneous Topics in Java

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