12| JAVA | Externalization | Need of It | Difference between Serializable & Externalizable | Example

Welcome to our Java tutorial series! In this video, we explore the concept of externalization in Java, its necessity, and the key differences between Serializable and Externalizable interfaces, with practical examples.

In this video, you will learn:

What externalization is and why it's needed in Java.
The differences between the Serializable and Externalizable interfaces.
How to implement externalization with a step-by-step example.
Practical use cases and best practices for using externalization.

Topics Covered:
1. Introduction to Externalization
2. Why Externalization is Needed
3. Key Differences between Serializable and Externalizable
4. Implementing Externalization: Step-by-Step Example
5. Common Pitfalls and Best Practices
6. Practical Use Cases for Externalization

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Sir, why we explicitly write default constructor to the class?
As we know every class have parameter less constructor by default right?
🤔🤔🤔 Could you pls explain