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This noncompliant code example shows a variable that is declared outside the for loop. Reusability is reduced because the value of the loop index, i, is modified by the for statement. Suppose, for example, this code snippet is copied and pasted with the intent to use a different index, j. If the index-variable change were omitted, the new loop would then attempt to iterate over index i. Unexpected behavior can follow because i remains in scope.
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