adplus-dvertising
frame-decoration

Question

How to prevent the ClassCastExceptions?

a.

By using instanceof

b.

By using is-a check

c.

By using arrow operator with check function

d.

By checking type of conversion

Posted under Object Oriented Programming

Answer: (a).By using instanceof

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. How to prevent the ClassCastExceptions?
Add Comment

Similar Questions

Discover Related MCQs

Q. Which is the exception handler for the exceptions of downcasting?

View solution

Q. Which is the proper syntax of dynamic_cast?

View solution

Q. If dynamic_cast fails, which value is returned?

View solution

Q. What does dynamic_cast return after successful type casting?

View solution

Q. What should be used for safe downcast?

View solution

Q. Downcasting ____________________

View solution

Q. Downcasting is _______________________

View solution

Q. Which among the following is a mandatory condition for downcasting?

View solution

Q. What is downcasting?

View solution

Q. If two classes are defined “Parent” and “Child” then which is the correct type upcast syntax in C++?

View solution

Q. When are the object type known for upcasting the objects?

View solution

Q. When are the pointer types known for upcasting the objects?

View solution

Q. Which concept is needed because of implicit type casting use?

View solution

Q. Upcasting is _____________________ without an explicit type cast.

View solution

Q. If class C inherits class B and class B inherits class A ________________

View solution

Q. If multiple inheritance is implemented, which upcasting will be correct?

View solution

Q. Upcasting and downcasting objects is same as casting primitive types.

View solution

Q. Which property is shown most when upcasting is used?

View solution

Q. Which among the following is best situation to use upcasting?

View solution

Q. Which among the following is safe?

View solution
View All MCQs on Object Oriented Programming

Suggested Topics

Are you eager to expand your knowledge beyond Object Oriented 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!

Discrete Mathematics

Refine your mathematical skills essential for computer science with our Discrete...

Human Computer Interaction

Enhance your knowledge of Human-Computer Interaction with our specialized MCQs....

Microprocessor

Understand the heart of your computer with our Microprocessor MCQs. Topics include...

Object Oriented Programming

Enhance your coding skills with our Object Oriented Programming MCQs. Understand...

Systems Programming

Decode low-level programming with our Systems Programming MCQs. These questions delve...

Compiler Design

Unravel the process of translating source code into executable programs with our...

Management Information Systems

Discover how businesses leverage technology with our Management Information Systems...

Object Oriented Programming Using C++

Enhance your programming skills with our MCQs on Object Oriented Programming using...

PHP

Venture into server-side scripting with our PHP MCQs. Cover everything from syntax...