Java clone() Is BROKEN? getClass(), Cloneable & Real Alternatives Explained | Interview Questions

Published: 02 December 2025
on channel: Prashant Sharma

Unlock the real understanding behind Java’s getClass(), clone() method, and the Cloneable interface.

In this video, I break down one of the most misunderstood areas in Java — object copying, shallow copy vs deep copy, and why clone() is considered broken by many Java experts.

You’ll learn:
✅ What getClass() actually returns
✅ How runtime type, reflection, and type comparison works
✅ How clone() works internally and why it’s controversial
✅ The real purpose of the Cloneable marker interface
✅ Common pitfalls and why clone() throws CloneNotSupportedException
✅ Shallow Copy vs Deep Copy — with easy examples
✅ Modern alternatives: Copy constructors, factory methods & serialization
✅ Interview-ready explanations with real-world code

This is a must-watch video if you are preparing for:
➡️ Java Developer interviews
➡️ Java backend developer role
➡️ OOP concepts and advanced Java
➡️ Writing clean and safe code in production

If you find this useful, don’t forget to LIKE, SUBSCRIBE, and drop a comment with the next Java topic you want!

Join this channel to get access to perks:
/ @prashantsharmaofficial

Please like, share, and subscribe!!

#Java #JavaTutorial #JavaProgramming #cloneMethod #Cloneable #getClass #ShallowCopy #DeepCopy #OOP #BackendDeveloper #JavaInterview #LearnJava #ProgrammingTutorial #javainterviewquestions

On this page of the site you can watch the video online Java clone() Is BROKEN? getClass(), Cloneable & Real Alternatives Explained | Interview Questions with a duration of hours minute second in good quality, which was uploaded by the user Prashant Sharma 02 December 2025, share the link with friends and acquaintances, this video has already been watched 55 times on youtube and it was liked by 2 viewers. Enjoy your viewing!

24,472

608