Android™ How to Program, Second Edition

Catching Exceptions

The try block in this example is followed by two catch blocks—one that handles an InputMismatchException (lines 34–41) and one that handles an ArithmeticException (lines 42–47). A catch block (also called a catch clause or exception handler) catches (i.e., receives) and handles an exception. A catch block begins with the keyword catch and is followed by a parameter in parentheses (called the exception parameter, discussed shortly) and a block of code enclosed in curly braces. [Note: The term “catch clause” is sometimes used to refer to the keyword catch followed by a block of code, whereas the term “catch block” refers to only the block of code following the catch keyword, but not including it. For simplicity, we use the term ...