public class OpenBatchFile {
public OpenBatchFile() {
    super();
}

/**Main Method
 * @param args
 */
public static void main(String[] args) {
    //Get Runtime object
    Runtime runtime = Runtime.getRuntime();
    try {
        //Pass string in this format to open Batch file
        runtime.exec("cmd /c start Desktop:\OpenNotepad.bat");
    } catch (IOException e) {
        System.out.println(e);
    }
  }
}