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  1. import java.io.*;
  2. import java.net.*;
  3.  
  4. public class Server {
  5.     public static void main(String[] args) { 
  6.         try { 
  7.             int port = Integer.parseInt(args[0]);
  8.             System.out.println("簡易檔案接收..."); 
  9.             System.out.printf("將接收檔案於連接埠: %d%n", port); 
  10.  
  11.             ServerSocket serverSkt = new ServerSocket(port); 
  12.  
  13.             while(true) { 
  14.                 System.out.println("傾聽中...."); 
  15.  
  16.                 Socket clientSkt = serverSkt.accept();
  17.  
  18.                 System.out.printf("與 %s 建立連線%n", 
  19.                         clientSkt.getInetAddress().toString());  
  20.  
  21.                 // 取得檔案名稱
  22.                 String fileName = new BufferedReader(
  23.                                     new InputStreamReader(
  24.                                       clientSkt.getInputStream())).readLine();
  25.  
  26.                 System.out.printf("接收檔案 %s ...", fileName); 
  27.  
  28.                 BufferedInputStream inputStream = 
  29.                     new BufferedInputStream(clientSkt.getInputStream()); 
  30.                 BufferedOutputStream outputStream = 
  31.                     new BufferedOutputStream(new FileOutputStream(fileName)); 
  32.  
  33.                 int readin; 
  34.                 while((readin = inputStream.read()) != -1) { 
  35.                     outputStream.write(readin);
  36.                     Thread.yield();
  37.                 } 
  38.  
  39.                 outputStream.flush();
  40.                 outputStream.close();                
  41.                 inputStream.close(); 
  42.  
  43.                 clientSkt.close(); 
  44.  
  45.                 System.out.println("\n檔案接收完畢！"); 
  46.             } 
  47.         } 
  48.         catch(Exception e) { 
  49.             e.printStackTrace(); 
  50.         } 
  51.     }     
  52. }
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:4: error: class Server is public, should be declared in a file named Server.java
public class Server {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/raPS80
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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