Custom Exceptions

Creating custom exceptions in Java can be a game-changer when it comes to building robust applications. Instead of relying solely on Java's built-in exceptions, crafting your own allows for greater clarity and specificity when handling errors. It’s like having a tailored suit instead of a generic outfit—it just fits better.

Imagine you’re building an online shopping application. If a user tries to purchase an item that's out of stock, you wouldn't want to throw a generic NullPointerException. Instead, a custom exception, like OutOfStockException, can provide clearer insights into what went wrong.

This not only improves code readability but also enhances debugging and user experience.