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  1. package chat2;
  2.  
  3. import java.io.IOException;
  4. import java.io.ObjectInputStream;
  5. import java.io.ObjectOutputStream;
  6. import java.net.ServerSocket;
  7. import java.net.Socket;
  8. import java.util.Vector;
  9.  
  10. public class chat_server {
  11.   ObjectOutputStream oos;
  12.   ObjectInputStream ois;
  13.   Vector output;
  14.   public static void main(String[] args) throws Exception {
  15.     // TODO Auto-generated method stub
  16.     new chat_server().go();
  17.   }
  18.   public void go() throws Exception {
  19.     try {
  20.       ServerSocket serverSock = new ServerSocket(8888);
  21.       while(true)
  22.       {
  23.         Socket cSocket = serverSock.accept();
  24.         //server輸出用串流(server to client)
  25.         oos = new ObjectOutputStream(cSocket.getOutputStream());
  26.         Thread t = new Thread(new Process(cSocket));
  27.         t.start();
  28.         System.out.println(cSocket.getLocalSocketAddress() + "有" + (t.activeCount() - 1) + "個連接");
  29.       }
  30.     } catch (IOException e) {
  31.       // TODO Auto-generated catch block
  32.       e.printStackTrace();
  33.       System.out.println("連接失敗 in go");
  34.     }
  35.   }
  36.  
  37.   public class Process implements Runnable{
  38.     Socket sock;
  39.     public Process(Socket cSocket) {
  40.       try {
  41.         sock = cSocket;
  42.         //client輸出用串流(client to server)
  43.         ois = new ObjectInputStream(sock.getInputStream());
  44.       } catch (IOException e) {
  45.         // TODO Auto-generated catch block
  46.         e.printStackTrace();
  47.         System.out.println("連接失敗 in Process");
  48.       }
  49.     }
  50.  
  51.     public void run(){
  52.       try {
  53.         object_data data = (object_data)ois.readObject();
  54.         System.out.println(data);
  55.         while(data != null)
  56.         {
  57.           System.out.println("test ok");
  58.           System.out.println(data.getuser_name());
  59.           System.out.println(data.getnor_chat());
  60.           System.out.println(data.getkey_num());
  61.           //System.out.println(data.getimg());
  62.           data = null;
  63.           ois.close();
  64.           oos.close();
  65.         }
  66.       } catch (ClassNotFoundException | IOException e) {
  67.         // TODO Auto-generated catch block
  68.         e.printStackTrace();
  69.         System.out.println("傳送失敗 in run");
  70.       }
  71.     }
  72.   }
  73. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:10: error: class chat_server is public, should be declared in a file named chat_server.java
public class chat_server {
       ^
Main.java:53: error: cannot find symbol
        object_data data = (object_data)ois.readObject();
        ^
  symbol:   class object_data
  location: class chat_server.Process
Main.java:53: error: cannot find symbol
        object_data data = (object_data)ois.readObject();
                            ^
  symbol:   class object_data
  location: class chat_server.Process
3 errors
stdout
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Standard output is empty
https://ideone.com/HVpZdP
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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