C++ Primer, Fifth Edition

5.6.2. The try Block

The general form of a try block is

try {    program-statements} catch (exception-declaration) {    handler-statements} catch (exception-declaration) {    handler-statements} // . . .

A try block begins with the keyword try followed by a block, which, as usual, is a sequence of statements enclosed in curly braces.

Following the try block is a list of one or more catch clauses. A catch consists of three parts: the keyword catch, the declaration of a (possibly unnamed) object within parentheses (referred to as an exception declaration), and a block. When a catch is selected to handle an exception, the associated block is executed. Once the catch finishes, execution continues with the statement immediately following the last ...