code: public static boolean hasMethod(Class<?> clazz, String methodName, Class<?>... paramTypes) {
  		return (getMethodIfAvailable(clazz, methodName, paramTypes) != null);
  	}
docs: Determine whether the given class has a public method with the given signature.
  <p>Essentially translates {@code NoSuchMethodException} to "false".
  @param clazz the clazz to analyze
  @param methodName the name of the method
  @param paramTypes the parameter types of the method
  @return whether the class has a corresponding method
  @see Class#getMethod