You can quickly comment out one or more lies of code by inserting the leading characters // at the beginning of the line. To do so, select the line (or lines) of code you want to comment out and press CTRL+/ (slash).
To uncomment select the line (or lines) of code, and press CTRL+\ (backslash).
Tip: The characters /* */ on lines that are already commented out, are not affected when you comment and uncomment code.
You can use the Content Assist feature to insert a multiline comment before a method.
Type com+Ctrl+Space, and the following code is entered at the cursor location:
/* * author userid * * To change this generated comment edit the template variable "comment": * Window>Preferences>C>Templates. */To change the default comment click Window > Preferences > C > Templates. For more information see the Content Assist section.
Content Assist and code completion
Customizing the C++ editor
Commenting out code
C/C++ editor, code templates and search
preferences