Which of the following statements is false?

a Files method lines creates a String containing the lines of text from a file.
b. Stream method flatMap receives a Function that maps an object into a stream—e.g., a line of text into words.
c. Pattern method splitAsStream uses a regular expression to tokenize a String.
d. Collectors method groupingBy with three arguments receives a classifier, a Map factory and a downstream Collector.

a. Files method lines creates a String containing the lines of text from a file. Actually, Files method lines creates a Stream for reading the lines of text from a file.