Java Tricky Interview Question | Constructor Chaining & Polymorphism Explained
🔥 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
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