Client.java

package u025;

/**
 * Created by HuGuodong on 12/8/19.
 */
public class Client {

 public static void main(String[] args) {
 IChatRoom room = new ChatRoom();
 User chatUser1 = new ChatUser(room, "1", "Bob");
 User chatUser2 = new ChatUser(room, "2", "Kevin");
 User chatUser3 = new ChatUser(room, "3", "Joe");

 room.addUser(chatUser1);
 room.addUser(chatUser2);
 room.addUser(chatUser3);

 chatUser1.send("Hello Kevin", "2");
 chatUser2.send("今天去哪吃呀？","1");
// Bob send message: Hello Kevin
// Kevin received: Hello Kevin
// Kevin send message: 今天去哪吃呀？
// Bob received: 今天去哪吃呀？

 }
}