Add a method hasNext to the Sequence interface of Worked Example 9.1 that returns false if the sequence has no more values. Implement a class MySequence producing a sequence of real data of your choice, such as populations of cities or countries, temperatures, or stock prices. Obtain the data from the Internet and reformat the values so that they are placed into an array. Return one value at a time in the next method, until you reach the end of the data. Your SequenceTester class should display all data in the sequence and check whether the last digits are randomly distributed.