create a property file in java

       

            Properties prop = new Properties();
                   
            prop.setProperty("connectionurl", connectionurl);
            prop.setProperty("username", userName);
       
            prop.setProperty("password", passWord);
            prop.setProperty("driverClassName", driverClassName);
         
            //save properties to project root folder
            File file = new File(System.getProperty("user.dir") + File.separator +  "config.properties");
            prop.store(new FileOutputStream(file, false), null);

   This is used to create a property file with the above parameters
   connectionurl,username,password,driverClassName,.


   

create a new folder in java

 String desktopPath = System.getProperty("user.home") + File.separator + "Desktop" + File.separator + "NW Folder";

 File folder = new File(desktopPath);

if(!folder.exists())
{
      folder.mkdirs();
}

A new folder with name (NW Folder ) will be created if there is no folder in the given name specified.

Folder within folder also can be created with this .

To get the current directory in java

To get the location of Desktop
System.getProperty("user.home");

To get the location of the current working project directory
System.getProperty("user.dir");