how to keep server running

[Harris68]

hi this is my server code, I want that the server keeps running even if there is not client to connect to the server I know i have to put a loop to do this but i tried alot but didnt find to which part to put the loop any help please?

import java.io.*;
import java.net.*;
import java.util.*;

public class EchoServer
{
        
    public static void main(String[] args)

   {
     while(true){
      try
      {
         // server socket is not a Socket
         ServerSocket svrs = new ServerSocket(8189);
         // wait for client connection
         Socket s = svrs.accept();
         try
         {
            
            InputStream inStream = s.getInputStream();
            OutputStream outStream = s.getOutputStream();

            /**
             * Once the client is connected to the server, to make sure that the connection is well established
             * the Server sents a message of confirmation to the client"Hello you are connected to the Server"
             */

            Scanner in = new Scanner(inStream);
            PrintWriter out = new PrintWriter(outStream, true /* autoFlush */);

            String serverMove=getServerMove();
            out.println(serverMove);

           //out.println("Hello! You are connected to the Server");

           String name = in.nextLine();
           System.out.println(name);

           String ClientMove = in.nextLine();
           System.out.println(ClientMove);

          String win=determineRoundWinner(ClientMove, serverMove);

          out.println(win);
            
         }


         finally
         {
            s.close();
         }
      }

      catch (IOException e)
      {
         e.printStackTrace();
      }
    break; }
    }
    static String getServerMove() {
	double compMoveInt;
	String compMove;

	// Generate a random move for the
	// computer.
	compMoveInt = Math.random();

	// Convert the random integer into a
	// string that represents the computer's
	// move.
	if(compMoveInt >= 0.0 && compMoveInt <= 0.33) {
	    compMove = "stone";
	}
	else if (compMoveInt >= 0.3 && compMoveInt <= 0.6) {
	    compMove = "paper";
	}
	else {
	    compMove = "scissors";
	}

	return compMove;
    } 
        /**
     * Compare the user's move to the computer's
     * move to determine the winner of this round.
     *
     * @param userMove the user's move.
     * @param compMove the computer's move.
     * @return  1 if the computer wins.
     *          0 if it is a tie.
     *         -1 if the user wins.
     */
    static String determineRoundWinner(String ClientMove,
				    String compMove) {
	String win = null;
	// Check for ties.
	if (compMove.equals(ClientMove)) {
	   win="Draw";
	}

	// if it is not a tie check for all the ways the
	// computer can win.
	// Rock smashes scissors...
	else if (compMove.equals("stone") &&
		 ClientMove.equals("scissors")) {
	    win="Compuer Wins Better Luck Next Time :)";
            
	}
	// Paper covers rock...
	else if (compMove.equals("paper") &&
		 ClientMove.equals("stone")) {
	    win="Compuer Wins Better Luck Next Time :)";
	}
	// Scissors cut paper...
	else if (compMove.equals("scissors") &&
		 ClientMove.equals("paper")) {
	    win="Compuer Wins Better Luck Next Time :)";
	}
	// Its not a tie and the computer did not
	// win so the user must have won!
	else {
	    win="You Win ";
	}

	return win;
    }
    
      
}

[jojo]

Put

ServerSocket svrs = new ServerSocket(8189);

out of the loop, and add an amount of sleep to the thread else your cpu is probally 100%

[Harris68]

when i put
ServerSocket svrs = new ServerSocket(8189);
out of the loop i get so many errores with my other code :(

[AndreB]

try to declare "public static ServerSocker svrs" field in your EchoServer class.
and call the constructor before the main loop once.

[jojo]

offcourse you don't have to put the whole line outside,
declare: ServerSocket sc;
and before the while loop u put sc = new ServerSocket(#);