What Is an Exception Handler in Java?. In Java, exceptions are one of many structures that govern the control flow of a program. Specifically, they are unintended side effects of a program's ...

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 ...

What Does It Mean When It Says "A Java Exception Has Occurred"?. Java exceptions are conditions that make it impossible for the computer to continue executing a Java program's code and ...

Learn everything you need to throw, try, catch, and clean up after Java exceptions in your programs.

When an exception occurs in your Java code, you can log it or you can rethrow it -- but don't do both. Here's why you must avoid that exception handling antipattern.