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The general form of the for statement can be expressed as follows: When using this version of the for statement, keep in mind that: 1  The initialization expression initializes the loop; it's executed once, as the loop begins. 2  When the termination expression evaluates to false, the loop terminates.
1 Besides the while-loop and the do-while-loop, C++ has another looping mechanism called the for-loop. 2  The syntax for the for-loop is: 3  for (Initialization_Action; Boolean_Expression; Update_Action). 4  Body_Statement. 5  The initialization action is processed first. 6  Then the Boolean expression is evaluated.