public class ServerImplementation implements Server {
  Client[] clients = new Client[100]; 
  int index = -1; 
  synchronized public int register(Client client) {
    clients[++index] = client;
    return index; 
  }
  synchronized public void broadcast(Update event) {
    for (int i = 0; i <= index; i++) 
      clients[i].update(event); 
  } 
  String name; 
  public ServerImplementation(String name) {
    this.name = name; 
    System.out.println("Server being initialized ... "); 
  }
  public void startAsLocalServer() {

  }
}