code: public static void unZipFiles(File zipFile, File outputFolder) throws IOException {
          InputStream is = new BufferedInputStream(new FileInputStream(zipFile));
          try {
              unZipFiles(is, outputFolder);
          } finally {
              IOUtils.closeQuietly(is);
          }
      }
docs: Unzips a zip file into an output folder.
  
  @param zipFile      the zip file
  @param outputFolder the output folder where the files
  @throws IOException