code: public static String[] getAllClassPathNotInJar() {
          String[] allClassPath = getAllClassPaths();
          List<String> allClassPathNotInJar = new ArrayList<String>();
          for (String classPath : allClassPath) {
              if (classPath.endsWith("jar")) {
                  continue;
              }
              allClassPathNotInJar.add(classPath);
          }
          return allClassPathNotInJar.toArray(new String[allClassPathNotInJar.size()]);
      }
docs: <p>
  Get all class path strings that is file system path, not jar file.
  </p>
  Uncertain is relative or absolute.<br>
  
  @return class paths that is file system path.