ChatUser.java

package u025;

/**
 * Concrete Colleague
 * Created by HuGuodong on 12/8/19.
 */
public class ChatUser extends User {

 public ChatUser(IChatRoom room, String userId, String name) {
 super(room, userId, name);
 }

 @Override
 public void send(String msg, String toUserId) {
 System.out.printf("%s send message: %s\n", name, msg);
 mediator.sendMessage(msg, toUserId);
 }

 @Override
 public void receive(String msg) {
 System.out.println(name + " received: " + msg);
 }
}