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

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Dec 3, 2025
21:24

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: https://www.youtube.com/channel/UCm4mgtl_k2hASXw2f0mUujQ/join Please like, share, and subscribe!! #Java #JavaTutorial #JavaProgramming #cloneMethod #Cloneable #getClass #ShallowCopy #DeepCopy #OOP #BackendDeveloper #JavaInterview #LearnJava #ProgrammingTutorial #javainterviewquestions

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