How to use array to store a collection of values:partially filled array (using a int variable to keep track of the number of elements)searching for a value in the array, inserting an element into the array, deleting an element from the array, How to clearly declare a function by writing concise function comments, and specifying properly name, parameters and return type for the function. This step address the question of what the function is supposed to do?Passing array as parameter to function: both the array and the number of elements need to be passed to the functionCall-by-value and call-by-reference