How to call the input value from different file?

[xiongling]

I am doing a sever/client chat program. I wish to let the user to enter their entire name through input dialog and I want to use the name that entered by the user in client.java to be use in server.java so that it will shows "username connected to server". I wish to know how to get the username that entered by the user in client to be use in server. Hope anyone can answer me. Thanks.

[Eranga]

You asking that how to pass a value from one class to the other? I've not clear your question pal.

[xiongling]

ya, exactly like wad u say. But the class is in different java file. Able to make it?

[Eranga]

It's basis in Java. Even you have two Java files(as you say server.java and client.java) there is two classes. To access from one class to the other, in simple word, you need an object of a class in the others.

So create an object of server class in the client class and using that object call a function of a server class to check the username.

Is that clear.

[xiongling]

sorry, but i don't get u. Coz i m still new to java. Can u write me an example of code of how to make it? Thanks.

[Eranga]

Ok, I'll explain it in simple way as follows.

Code:

public class Client{
    String username;
    
    // Get the user name through a GUI and set it to username

    // Object for class Server
    Server myServer = new Server();
    myServer.isValid(username);
}


public class Server{
   // Check that username is correct
   public void isValid(String name){
        // Check that user name is valid, and so do the process
   }
}

Is that clear now, or need more explanations.

Actually if you don't know how those basis things done, please spend some time with Java fundamentals. If you don't know such things to do, how can you handle a server-client application.

In a such a project you have to do much more than this, it's not going to be easy for you pal

[try]

I think, u can use socket or URL class to connect to server and pass parameter values.

Thanks,
Guddu
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