How to create directory in java
// mkdir() method in java example
import java.io.*;
public class CreateDirectory
{
   public static void main(String[] args)
   {
      File directory = new File("D:\\DirectoryExample");
      if(!directory.exists())
      {
         if(directory.mkdir())
         {
            System.out.println("Directory is created");
         }
         else
         {
            System.out.println("Directory not created");
         }
      }
   }
}