How any Data Structure application is categorized among file

Question

How any Data Structure application is categorized among files?

Answer 1

A linked list application can be organized in source file, a header file and main application file. The primary file is the header file which contains the definition of the LinkedList class and the NODE structure definition. The second file is a source code file having the implementation of member functions of the LinkedList class. The final file is the application file which has code that creates and uses the LinkedList class.