i don't understand about "array in loop"

Answer 1

it's a concept to handle the arrays, by experience u can understand so try simple program of array and using for loop get/set value and debug it. basically Idea is that using loop automatically execute each element of array by index.

u can use any loop while, do while, for as per need or logic.

Lear or view video in 3rd lession: data types, arrays and pointers - 6/13

Answer 2

loops are used simply to make your code simple
If loops were not used people would have to write same thing lots of time.So loops loves arrays

Answer 3

please post a question