When an application contains an array and you want to use every element of the array in some task, it is common to perform loops that vary the loop control variable from 0 to one less than the size of the array.

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This is a common practice in programming to access every element of an array using a loop. The loop control variable is usually initialized to 0 and incremented until it reaches one less than the size of the array in order to access all the elements.

When an Application Contains an Array and You Want to Use