Can someone help me with this one please on JAVA

Exercise 71122 WORK AREA Write a method that accepts a String object as an arqument and returns the number of words it contains. For instance, if the argument is "Four score and seven years ago", the method should return the number 6 Demonstrate the method in a program that asks the user to input a string and then passes that string into the method, printing out whatever the method returns. SAMPLE RUN #2: java WordCounter Hide Invisibles Highlight: None Show Highlighted Only Interactive Session Enter-a. string: Books ! .And-cleverness l-There-are-more-important things-friendship and bravery