Then there’s the NullPointerException. Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting ...

Some exceptions in Java must be handled in the developer's code ... For example, if a developer invokes a method on a null object, an unchecked NullPointerException occurs. If a developer attempts to ...

See also: NullPointerException in Java – Explaining the Billion Dollar Mistake A good example would be the FileNotFoundException. This does exactly what it says on the tin: this exception is ...