9. Exceptions

Chapter Contents

What Is an Exception?

The Catch or Specify Requirement

Catching and Handling Exceptions

Specifying the Exceptions Thrown by a Method

How to Throw Exceptions

Unchecked Exceptions: The Controversy

Advantages of Exceptions

Summary of Exceptions

Questions and Exercises: Exceptions

The Java programming language uses exceptions to handle errors and other exceptional events. This chapter describes when and how to use exceptions.

The first section defines an exception. An exception is an event that occurs during the execution of a program that disrupts the normal flow of instructions. The second section discusses the catch or specify requirement and describes the three kinds of exceptions. The third section covers how ...

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