Which of the following statements is false?

a. A method reference of the form objectName::instanceMethodName is a bound instance
method reference.
b. A method reference of the form ClassName::staticMethodName is a static method reference.
c. Collectors method joining is a collector that creates a concatenated String representation of
the stream’s elements, appending each element to the String separated from the previous
element by the joining method’s argument.
d. All of the above statements are true.

d. All of the above statements are true.