2. Create a Java program (Greatest) that will allow the user to enter series of positive integers until the user enters a value of -999. The program will then output an appropriate message stating the highest number entered. (25 marks) Output: Enter a number (-999 to exit): 23. Enter a number (-999 to exit): 346 Enter a number (-999 to exit): 2 Enter a number (-999 to exit): 99 Enter a number (-999 to exit): 527 Enter a number (-999 to exit): -999 The highest number entered was: 527