Tag: Sum of digits
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How to find sum of digits in a number
This is the complete solution to find the sum of digits from a given number using the String class, and a few methods. This solution covers all validations. Regular expressions are also used in this solution for validating the given input.
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How to find sum of digits in an integer value
This is the second solution to find the sum of digits of an integer value[s]. This solution defines a functional interface with single abstract method with lambda expression. The internal core logic converts an integer value to String, then parse each character to digit, and sums up each digit.
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How to find sum of digits in an integer value
This is the first solution to find the sum of digits from a given integer value using the core logic.
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