a) What state must the data be in for this method to operate correctly. ( 1 marks) b) Provide a sample set of data to be used by the method initialized into a java array. (2 marks) c) Provide 2 calls to the public countMatch method. The first call will execute the return at RETURN 1 and the second call will execute the return at RETURN 2 within the private countMatch method. (2 marks) d) Define what the worst case of input data would be for this algorithm and what the resulting big 0 notation. Consider N to be equal to array.length. (2 marks) e) Using an input data set with no duplicates what would be the big O notation for this algorithm. Consider N to be equal to array.length. (1 mark)