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 ...

Not sure what a try catch is? We explain how to use a try catch block in Java and how to write methods that throw exceptions.

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 ...

Newer JVM-compatible languages like Scala, Groovy, and JRuby are better suited to creating internal DSLs than the Java language itself. Find out why in this final article in Venkat Subramaniam's ...

Ever come across the null pointer exception in Java? We explain what this error message means, why it happens, and how to avoid the billion-dollar mistake.

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.