code: public static List<String> getJreJars() {
      String javaHome = System.getProperty("java.home");
      Path libsDir = FileSystems.getDefault().getPath(javaHome, "/lib");
      List<String> retval = GosucUtil.getIbmClasspath();
      try {
        retval.addAll(Files.walk(libsDir)
                .filter( path -> path.toFile().isFile())
                .filter( path -> path.toString().endsWith(".jar"))
                .map( Path::toString )
                .collect(Collectors.toList()));
      } catch (SecurityException | IOException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
      }
      return retval;
    }
docs: Get all JARs from the lib directory of the System's java.home property
  @return List of absolute paths to all JRE libraries