code: @Override
      public Class<?> findClass(String name) throws ClassNotFoundException {
          Class clazz = byteCodesClass.get(name);
          if (clazz == null) {
              return super.loadClass(name, false);
          }
          return clazz;
      }
docs: 使用双亲委派机制获取Class对象
  
  @param name Class类路径
  @return
  @throws ClassNotFoundException