Please answer the below question in Java, thank you.

Question 5 A method secret() of a class F is shown below: public int secret (String[] stringArray, int n) { int num = 0; for (int i=0; i= 0) num++; return num; A program segment using the method is: F f = new F(); String[] array01 = {"an", "easy", "exam", "on", "Java"}; System.out.println(f.secret (array01, 2)); array01 = new String [0]; System.out.println(f. secret (array01, 3)); (a) Write down the output when the above segment is executed. (b) Explain, in a paragraph, what is the purpose of the method secret()