Java image upload Implementation code _java

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Import java.io.*; 
Import java.net.*; 
    * * Send End/class Picsend {public static void main (string[] args) throws Exception {if (args.length!=1) 
      {System.out.println ("Please select a. jpg picture"); 
    Return 
    ' File File = new file (Args[0]); if (!) ( 
      File.exists () && file.isfile ()) {System.out.println ("The picture has a problem (not a file or does not exist)"); 
    Return 
      } if (!file.getname (). EndsWith (". jpg")) {System.out.println ("picture is not in the wrong format, please select the picture again"); 
    Return 
      } if (File.length () >1024*1024*10) {System.out.println ("picture too large to upload"); 
    Return Socket s = new socket ("192.168.33.1", 10006);//Create service FileInputStream FIS = new FileInputStream ("d:\\ belle. jpg"); 
    /Read the picture outputstream out = S.getoutputstream ()//Read Write byte [] b = new byte[1024]; 
    int len = 0; 
    while (len = Fis.read (b))!=-1) {out.write (B,0,len); } s.shutdownoutput ()//mark over InputStream in = S.getinputstream ();//Read clothesThe service end returns the data byte [] bin = new byte[1024]; 
    int num = In.read (BIN); 
    System.out.println (New String (Bin,0,num)); 
    Fis.close (); 
  S.close (); 
  } class Picthread implements Runnable {private Socket s; 
  Picthread (Socket s) {this.s = s; 
    public void Run () {int count = 1; String IP = s.getinetaddress (). gethostaddress ();//Get IP try {System.out.println (ip+ ...). Connect " 
      ); 
      InputStream in = S.getinputstream ()//read to the stream data File = new file (ip+ "(" + (count) +) "+". jpg "); 
 
      while (File.exists ())//To determine whether a file is present = new file (ip+ "(" + (count++) + ")" + ". jpg"); 
      FileOutputStream fos = new FileOutputStream (file);//write Byte [] b = new byte[1024]; 
      int len = 0; 
      while (len = In.read (b))!=-1) {fos.write (B,0,len); OutputStream out = S.getoutputstream ()//write service end of data out.write ("Upload success!") 
      ". GetBytes ()); 
      Fos.close (); 
    S.close (); 
    }catch (Exception e) {throw new RuntimeException ("Upload failed"); }}/* Service End/class Picrece {public static void main (string[] args) throws Exception {Se 
    Rversocket ss = new ServerSocket (10006); 
    while (true) {Socket s = ss.accept ();//Receive New Thread (new Picthread (s)). Start ();  } 
  } 
}

Effect:

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