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Definition

Comment is a statement of one or more lines written by the programmer to understand himself and others, what the code is all about.

Types

Comments are declared in two ways :

• One line comments starts with double slash symbol "//" and terminates at the end of line.
• Two or more line comments starts with slash star "/*" and ends on same line or next lines with star slash symbol "*/".

Example :

// this is one line comment
/* this is
a multiline
comment */

Description

• Comments are written by the user to understand the source code for himself and others.
• User can write comments any number of times in the program at any place.
• Its good to write comments to specify the reason for using a certain statement or expression.
• Compiler rejects these comments, so they didn't get added to the executable file.