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The syntax for the if then else control structure within the C++ programming language is:
Example 12.1: C++ source code: Layout of an if then else
if (expression) { statement; } else { statement; }
Note: The test expression is within the parentheses, but this is not a function call. The parentheses are part of the control structure. Additionally, there
is no semicolon after the parenthesis following the expression.
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