Runtime (unchecked) exceptions Suppose a program attempts to divide an integer by integer 0. This impossibility illustrates another kind of exception, namely a runtime exception.

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.

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.

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.

The Java Runtime Environment (JRE) is what you get when you download Java software. Java technology allows you to work and play in a secure computing environment.

Java 8 language specifications for functional-style programming include laziness—a benefit at runtime.

Learn how to download, install, delete, update, uninstall Java and to view & manage Java Runtime, Runtime Environment, JRE Settings, Java Cache in Windows.