May 6, 2021

Last Updated on 2021-05-06 by Clay

The functions can divide the code of different purpose in a program, and use the defined code repeatedly by calling the function if we need.

Last Updated on 2021-05-06 by Clay

Pointer is a special data type in C++ that stores variable memory address. It is often used to build structure such as Linked List or to transfer large data memory address to improve program efficiency.

Last Updated on 2021-05-06 by Clay

Data is text format can be said to be one of the most basic data forms of computer system. For example, Linux operating system has many settings that are stored in text file for the convenience of users to adjust freely.