code: public static void invoke(Class<?> type, String methodName) {
      invoke(type, methodName, null, null, Void.class);
    }
docs: Calls the no argument method with the specified name on the given class type.  This method assumes
  the "method" to invoke is a static (class) member method with not return value.
  
  @param type the Class type on which the method to invoke is declared and defined.
  @param methodName a String indicating the name of the method to invoke.
  @throws IllegalArgumentException if the method with the specified name is not declared on the given class type.
  @throws MethodInvocationException if the method invocation (call) fails to be executed successfully.
  @see #getMethod(Class, String, Class[])
  @see #invoke(Class, String, Class[], Object[], Class)