Come on dude, at least show a little effort yourself.
12 Days ago, you posted the same note, asking for code. Somebody told you to Google it. Today, you asked again, so, just for fun, I "bing'ed" it. All I did was paste in your words "fcfs,sjf,rr,priority scheduling" into Bing and I found this:
http://www.sourcecodesworld.com/source/show.asp?ScriptID=894[
^] Now wouldn't your life have been easier 12 days ago if you'd have done exactly what somebody told you then.
Merry Christmas