web config file used for cross plat form .
supoose one company use red hat os and other one use
sunmicro use so one company share to other company database.
when we use the web config file.
thats why web file is configuration of server
What is the importence of the INTERFACE? but not the
inheritence concept?and why we r declaring the empty methods
in that? we can directly implements with in the class know?
Tell me the importence?