请大家帮我找出这些的注释下
import *;import *;
public class client2 {
public static void main(String args[]){
try {
Socket s = new Socket("127.0.0.1", 6666);
Runnable userInput = new keyboardIn(s);
Runnable serverInput = new serverIn(s);
Thread t1 = new Thread(userInput);
Thread t2 = new Thread(serverInput);
t1.start();
t2.start();
//s.close();
}
catch(Exception e){
e.printStackTrace();
}
}
}
class keyboardIn implements Runnable {
Socket s;
public keyboardIn(Socket s) {
this.s = s;
}
public void run() {
try {
BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
PrintWriter out = new PrintWriter(s.getOutputStream(),true);
String line = null;
while((line = input.readLine()) != null){
out.println(line);
if("exit".equals(line)){
break;
}
}
}catch(IOException e){
e.printStackTrace();
}
}
}
class serverIn implements Runnable {
Socket s;
public serverIn(Socket s) {
this.s = s;
}
public void run() {
try {
BufferedReader bufr = new BufferedReader(new InputStreamReader(s.getInputStream()));
String line = null;
while((line = bufr.readLine()) != null){
System.out.println("督昢傷ㄩ"+line);
}
}catch(IOException e){
e.printStackTrace();
}
}