get IP addresses of computer available on a network? -java

Question

I am making a file sharing application which would look for computers which are running the application on the same network. So I would like my application to discover compu

Answer 1

I found this utility class part of Apache commons JCS (a caching library) particularly helpful, just copied it to my project since I didn't want/need to include the whole JCS library and the code is not available elsewhere separately (e.g. in apache commons-net would be nice):

• HostNameUtil Javadocs
• HostNameUtil.java source