C++ How to Program, 10/e

7.3 Declaring arrays

arrays occupy space in memory. To specify the type of the elements and the number of elements required by an array use a declaration of the form

array<type, arraySize> arrayName;

The notation <type, arraySize> indicates that array is a class template. The compiler reserves the appropriate amount of memory based on the type of the elements and the arraySize. (Recall that a declaration which reserves memory is more specifically known as a definition.) The arraySize must be an unsigned integer. To tell the compiler to reserve 12 elements for integer array c, use the declaration

array<int, 12> c; // c is an array of 12 int values

arrays can be declared to contain values of most data types. For example, an array of type ...