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 ...

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...

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 ...

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.