code: public static Class<?> loadClass(String className, ClassLoader cl) {
          try {
              return Class.forName(className, false, cl);
          } catch(ClassNotFoundException e) {
              throw new IllegalArgumentException(e);
          }
      }
docs: Load the given class using a specific class loader.
  
  @param className The name of the class
  @param cl The Class Loader to be used for finding the class.
  @return The class object