Скачать или смотреть 26.Why NullPointerException Happens in Unboxing – Java Interview Tip

NullPointerException in Unboxing – Java Interview Question Explained!
Many developers fail this common Java interview question. When you unbox a null Integer into a primitive int, Java throws a NullPointerException. This is a real-time issue in microservices when working with API responses or database values that may return null.

✅ In this video, you’ll learn:
✔ What causes NullPointerException during unboxing
✔ Autoboxing vs Unboxing interview explanation
✔ Real-time example in Java
✔ Best practices to avoid runtime failures
✔ How to handle null safely in Java

💡 Interview Tip: Always do a null check or use Optional.ofNullable() before unboxing to prevent crashes in production-level code.

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