Can You Answer This Java Interview Question? Constructor Order Trap | Small Java Dopamine – 14 | MIK

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Hi Everyone, this is the 14th video of our Playlist "Small Java Dopamine Videos" by codestorywithMIK.
📌 This series is designed to give you quick Java concept clarity in under 3 minutes - perfect for interview prep and revision.

In this short video, we cover a classic Java inheritance interview question:

👉 Which constructor runs first - Parent or Child?

Most developers answer:
Child Constructor
Parent Constructor

Because we are creating a Child object, but the actual output is different.
This question tests whether you really understand constructor execution order in inheritance, which is a very common interview topic.

💡 You will learn:
✔ Constructor execution order in Java
✔ How object creation works in inheritance
✔ Why Parent constructor runs first
✔ How Java builds objects internally
✔ Intuition behind constructor chaining

🎯 Rule to Remember:
When an object is created in Java inheritance:

1️⃣ Parent Constructor runs first
2️⃣ Child Constructor runs after

Java always builds objects from top to bottom.

🎬 Key Intuition:
A Child object actually contains a Parent inside it.
Before Java can construct the Child part of the object, the Parent part must already exist and be ready.
So Java constructs the object in this order:
Parent Part → Child Part

🎯 Clean Explanation Line:
A Child object contains a Parent inside it, so Java builds the Parent first.

Video Name : Can You Answer This Java Interview Question? Constructor Order Trap | Small Java Dopamine – 14 | codestorywithMIK


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🎥 Video Summary:
This video explains why the Parent constructor always runs before the Child constructor in Java inheritance. When a Child object is created, Java first builds the Parent part of the object and then constructs the Child part. Understanding constructor execution order is important for predicting program output and is frequently asked in technical interviews.

✨ Timelines ✨
00:00 – Java Interview Question
00:13 – Code Snippet & Challenge
01:40 – Visual Explanation

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