how to count the exact number of words in a string that has empty spaces between words?

Question

Write a method called wordCount that accepts a String as its parameter and returns the number of words in the String. A word is a sequence of one or more nonspace characters

Answer 1

It should be easy with:

String[] arr = "how are you sir".split("\\s");
System.out.printf("Count [%d]%n", arr.length);