Login on lan Network?

[arun singhal]

I want to create a application in which there are many computer are connected by lan server .
Application have login page. And all client has unique user name and password.
But database of these user name and password save only on server.
Each computer don't have database of user name and password.
When client login on that application then it connect to sever for match user name and password.
How can make this type of application using java.
please help me......

[arun singhal]

I have got solution of this problem.
We can do this by java socket programming.
By this server and client can connect.