今天要用到，很简单的写了下   /**   * Create new path and folder   * @param pathOld String   * @param pathNew String   */  public static String MAKE_DIR(String pathOld, String pathNew) {    try {      if (! (new File(pathOld).isDirectory())) {        new File(pathOld);        new File(pathOld + "\\" + pathNew).mkdirs();      }      else {        new File(pathOld + "\\" + pathNew).mkdirs();      }    }    catch (SecurityException e) {      System.out.println("can not create directory");    }    return pathOld+pathNew+"//";  }

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