For example, in a particular class, the developer might choose to check for null on all objects passed to public methods, but not check for null in private methods.

Runtime errors occur when something goes wrong in the normal execution of a program. When severe enough, these errors abruptly terminate an application. To help programmers both anticipate and recover ...

Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...