NullPointerExceptions: The Uninvited Guests at Your Code Party

A Guide to Exceptional Failure

NullPointerExceptions: the ultimate party crashers. They arrive unannounced, uninvited, and always leave a mess.

Caused by a null reference, these errors are like the aunt who just won't leave.

Here are some tips to help you handle these unwelcome guests:

• Use try-catch blocks to politely ask them to leave.
• Check for null values before the party starts.
• Don't be shy, just throw an exception.

For more information, visit our Exceptions 101 page.

Or, if you're feeling adventurous, try NullPointerExceptions In Action, where we show you how to use them in real-world scenarios.