Java API Tutorial - Java ServerSocket(int port) Constructor

Syntax

ServerSocket(int port) constructor from ServerSocket has the following syntax.

public ServerSocket(int port)    throws IOException

Example

In the following code shows how to use ServerSocket.ServerSocket(int port) constructor.

//ww  w. ja  v a  2s  .  c o m
import java.io.DataOutputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Main {

  public static void main(String args[]) {
    try {

      int port = 5555;
      ServerSocket ss = new ServerSocket(port);

      while (true) {
        // Accept incoming requests
        Socket s = ss.accept();

        // Write result to client
        OutputStream os = s.getOutputStream();
        DataOutputStream dos = new DataOutputStream(os);
        dos.writeInt(100);

        s.close();
      }
    } catch (Exception e) {
      System.out.println("Exception: " + e);
    }
  }
}