How many instances of one class is there on server?

How many instances of one class is there on server?

References

Reference NO 1

http://stackoverflow.com/questions/15166140/how-many-instances-of-one-class-is-there-on-server

Reference NO 2

http://en.wikipedia.org/wiki/Server_(computing)

Reference NO 3

http://docs.oracle.com/cd/E19857-01/817-1831-10/agvirtual.html

Reference NO 4

http://www.openlogic.com/wazi/bid/188102/How-to-Run-Multiple-Instances-of-Tomcat-on-a-Single-Server

Reference NO 5

http://forums.bistudio.com/showthread.php?147537-Tutorial-How-to-run-ArmA3-on-a-dedicated-server

Reference NO 6

http://docs.python.org/2/library/socketserver.html

Reference NO 7

http://oreilly.com/catalog/javanp2/chapter/ch11.html

Reference NO 8

http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/ltm_configuration_guide_10_0_0/ltm_virtual.html