C++ Comments

What are comments

Comments are used to help the readers of your program understand what the program does. You should always have comments to begin your program (these are called "header comments"), so the first thing the reader sees is a explanation of what the prgram should be doing. Then you should have some brief comments throughout your program to help the reader understand the different parts of your program.

By the way, comments are not something the computer uses; that is, the computer ignores them (throws them away during compilation).

Types of comments

• Single-Line Comments
  • The "//" characters are used to begin a comment on any given line, e.g., as on the next line

// this is a comment

• Multi-Line Comments

• Sometimes you want comments to extend over more than one line. This is done as below

/* this is a comment that continues until the matching

    symbols appear, that is an '*' followed by a '/', like

    this */