Array is a collection of elements of same type referred using a unique name. Each element of an array are stored in memory locations indexed from 0 through n number of its elements. The lowest indexed will be the first element and highest indexed the last element of an array.

    type array_name[array size]

In the above syntax the "type" defines the data type, "array_name" defines the unique name, "array size" defines the number of elements contained in an array even if the size is not specified the C++ compiler counts the size.

Usually these are initialized before its being used and classified into three major types they are single dimensional, two dimensional, multi dimensional arrays.