I want create a new folder in server from client via java code? here is my code, its error free but folders are not created

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Java

/* * To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package test;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.Socket;


/**
*
* @author project
*/
public class file_server_2
{
public static void main(String[] args) throws IOException
{
Socket sock = new Socket("10.176.24.63",9999);
PrintStream pr=new PrintStream(sock.getOutputStream());
System.out.println("enter the message to be send to server");
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
String temp = br.readLine();
pr.println(temp);
BufferedReader ed=new BufferedReader(new InputStreamReader(sock.getInputStream()));
String st = ed.readLine();
System.out.println(st);
boolean result = false;
String appFolderPath = "10.176.24.63/d:/appFolder1/";
File userNameFolder = new File(appFolderPath);
if (!userNameFolder.exists())
{
result= userNameFolder.mkdir();
}

}

}