Java Tricky Interview Question | Constructor Chaining & Polymorphism Explained

Publicado em: 16 Setembro 2025
no canal de: Programming With Vishnu
106
17

🔥 In this video, we solve one of the most confusing Java interview questions that often tricks even experienced developers.

👉 Question: Why does Java print 0 when using constructors and inheritance?

This concept covers:
• Constructor Chaining (super() calls)
• Polymorphism during object creation
• Initialization Order in Java (default values → parent constructor → child field initialization → child constructor)

By the end of this video, you’ll understand exactly why the output is:

Child: 0
Child: 20

Perfect for Java interview preparation and mastering tricky concepts!

📌 Topics Covered:
• Constructor execution order in Java
• Dynamic method dispatch
• Common pitfalls in inheritance
• Real-world interview-style problem solving

#javaprogramming #accenture #infosys #codinginterview #learnjava #programming #pythonanddjangofullstackwebdeveloper #javafullstack #softwareengineer #objectorientedprogramming


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