switch Statements
if and else...if combinations can become quite confusing when nested deeply, and C++ offers an alternative. Unlike if, which evaluates one value, switch statements enable you to change control flow based on any of a number of different values for an expression. The general form of the switch statement is
switch (expression) { case constantexpression1: statement; break; case constantexpression2: statement; break; .... case constantexpression3: statement; break; default: statement; }
expression is any legal C++ expression resulting in a character or other simple result (such as int or float), and the statements are any legal C++ statements or blocks.
switch evaluates expression and compares the result to each of the case constantexpression ...
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