Question

If using a loop to process/retrieve data from an array, the counter value of the loop can be used for each element of an array as its:

a) Index
b) Element value
c) Memory address
d) Data type

Answer 1

The counter value of a loop can be used as the index of an array when loop is used to process or retrieve data from it. This index starts at 0 and increments for each element, allowing the loop counter to access or modify elements in the array.

Step-by-step explanation:

If using a loop to process or retrieve data from an array, the counter value of the loop can be used for each element of the array as its index. An array is a collection of elements, and each element is accessible via its position in the array, known as the index. The index usually starts at 0 and increments by 1 for each subsequent element. Therefore, as you loop through the array, the loop counter aligns with these indices to access or modify elements.

For example, in a for loop in most programming languages, if you wanted to print all the elements in an array, you could do something like this:

for (int i = 0; i < array.length; i++) {
System.out.println(array[i]);
}

In this code, i is the loop counter and is used directly as the index to access each element (array[i]) within the array.