Question: Write a program that asks the user to enter a series of single digit numbers with nothing separating them. Read the input as a C-string

Write a program that asks the user to enter a series of single digit numbers with nothing separating them. Read the input as a C-string or a string object. The program should display the sum of all the single-digit numbers in the string. For example, if the user enters 2514, the program should display 12, which is the sum of 2, 5, 1, and 4. The program should display the highest and lowest digits in the string. Please use console for Input and Output. Please submit a class SumDigits.java and SumDigitsTest.java that calls all of your methods with some meaningful test data.

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