code: public static Class<?> classForName(String className, ClassLoader classLoader) {
      try {
        return Class.forName(className, true, classLoader);
      } catch (ClassNotFoundException e) {
        throw new RuntimeException("failed to load class " + className, e);
      }
    }
docs: returns Class.forName(className, true, classLoader). <br>
  Throws a RuntimeExcepiton if the class is not found.
  
  @see {@link Class#forName(String, boolean, ClassLoader)