Java SocketÌ×½Ó×ÖÓ¦ÓÃʵÀý javaѧϰ±Ê¼Ç(1)

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public class Client {
public static void startClient() throws IOException {
try {
Socket csocket = new Socket("127.0.0.1",15409);//´´½¨SocketÓ¦ÓÃʵÀý..Á¬½Ó·þÎñÆ÷127.0.0.1 ..¶Ë¿Ú15409..
System.out.println("Client OK~");
System.out.println("===============");
System.out.println("");
BufferedReader socketIn = new BufferedReader( new InputStreamReader(csocket.getInputStream()));//´Ósocket½ÓÊÕµ½µÄÐÅÏ¢..
PrintStream socketOut = new PrintStream(csocket.getOutputStream());//´ÓsocketÒª·¢Ë͵ÄÐÅÏ¢..
BufferedReader userIn = new BufferedReader( new InputStreamReader(System.in));//Óû§ÊäÈëµÄÐÅÏ¢..
String s;
while ( true ) {
System.out.print("Client Message: ");
s = userIn.readLine();
socketOut.println(s);//·¢ËÍÓû§ÊäÈëÐÅÏ¢..
if ( s.trim().equals("BYE") ) break;//ÈôÓû§ÊäÈëΪ"BYE"Ôò½áÊøͨѶÁ¬½Ó..
else {
System.out.println("Please wait Server Message..");
System.out.println("");
}
s = socketIn.readLine();//×èÈû³ÌÐò..Ö±µ½´ÓsocketÉ϶ÁÈ¡µ½ÊÕµ½µÄÐÅÏ¢..
System.out.println("Server Message: " + s);
if ( s.trim().equals("BYE") ) break;//Èô½ÓÊÕµ½µÄÐÅϢΪ"BYE"Ôò½áÊøͨѶÁ¬½Ó..
}
socketIn.close();
socketOut.close();
userIn.close();
csocket.close();
}
catch(Exception e) {
System.out.println("Error: " + e);
}
}
public static void main(String [] args) {
try {
startClient();