Understanding how reference variables work [closed]

Understanding how reference variables work [closed]

References

Reference NO 1

http://stackoverflow.com/questions/15190394/understanding-how-reference-variables-work

Reference NO 2

http://cplus.about.com/od/learning1/ss/references.htm

Reference NO 3

http://help.adobe.com/en_US/ActionScript/3.0_ProgrammingAS3/WS5b3ccc516d4fbf351e63e3d118a9b90204-7f9d.html

Reference NO 4

http://www.w3schools.com/php/php_variables.asp

Reference NO 5

http://nagios.sourceforge.net/docs/3_0/macros.html

Reference NO 6

http://www.cs.cf.ac.uk/Dave/C/node10.html

Reference NO 7

http://msdn.microsoft.com/en-us/library/office/aa188643(v=office.10).aspx

Reference NO 8

http://www.javascriptkit.com/javatutors/closures.shtml