ip address availability check

I want to execute a process to a resource at a particular ip address. Before submitting process want to check if resource is present at at ip address. how to do this?
[173 byte] By [sheenua] at [2007-11-27 4:47:23]
# 1
Have you read the answers in the other thread where you posted? http://forum.java.sun.com/thread.jspa?threadID=5158894&tstart=0
sjasjaa at 2007-7-12 10:00:07 > top of Java-index,Core,Core APIs...