code: public static Properties loadProperties(final Class<?> clasz, final String filename) {
          checkNotNull("clasz", clasz);
          checkNotNull("filename", filename);
  
          final String path = getPackagePath(clasz);
          final String resPath = path + "/" + filename;
          return loadProperties(clasz.getClassLoader(), resPath);
  
      }
docs: Load properties from classpath.
  
  @param clasz
  Class in the same package as the properties file - Cannot be <code>null</code>.
  @param filename
  Name of the properties file (without path) - Cannot be <code>null</code>.
  
  @return Properties.