It doesn’t take much Java development experience to learn firsthand what the NullPointerException is about. In fact, one person has highlighted dealing with this as the number one mistake Java ...

Error handling, also called exception handling, is a big part of Java, but it’s also one of the more divisive elements. Exception handling allows a developer to ...

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 ...

For these reasons, Java requires your try blocks to actually throw the exceptions that their catch clauses catch. For example, if you were homesick for your old operating system and wrote the ...