Write a program that asks the user to enter a series of single digit number with nothing separating them. The program should display the sum of all the single digit numbers in the string. For example if the user enters 2514, the method should return 12, which is the sum of 2,5,1,and 4. The program should also display the highest and the lowest digits in the string (Hint: convert the string to an array.) Please use Java programing also use wraper class