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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.
Syntax Name. When Executed. Description. init-expression. Before any other element of the for statement, init-expression is executed only once. Control then passes to cond-expression. Often used to initialize loop indices.