Java Encapsulation Explained by a Software Engineer

In this video, I break down the concept of encapsulation, using a simple BankAccount class as an example. I guide you through the different access modifiers—private, package-private, protected, and public—and their impact on your code. You'll see real-world examples of what can go wrong when fields are exposed, like negative balances and NullPointerExceptions. I also discuss the benefits of properly encapsulating data.

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