Exceptions
Lesson: Exceptions
The Java programming language uses exceptions to handle errors and other exceptional events. This lesson describes when and how to use exceptions.
What Is an Exception?
- An exception is an event that occurs during the execution of a program that disrupts the normal flow of instructions.
The Catch or Specify Requirement
- This section covers how to catch and handle exceptions. The discussion includes the try, catch, and finally blocks, as well as chained exceptions and logging.
How to Throw Exceptions
- This section covers the throw statement and the Throwable class and its subclasses.
Unchecked Exceptions — The Controversy
- This section explains the correct and incorrect use of the unchecked exceptions indicated by subclasses of
RuntimeException.Advantages of Exceptions
- The use of exceptions to manage errors has some advantages over traditional error-management techniques. You'll learn more in this section.
Summary
Questions and Exercises
Problems with the examples? Try Compiling and Running the Examples: FAQs.
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