Both the arrays/lists contain numbers from 0 to 9 (i.e. single digit integer is present at every index). The idea here is to represent each array/list as an integer in itself of digits N and M.

This Java program calculates the sum of the digits of a user-provided integer. It's a simple console-based application that demonstrates fundamental programming concepts such as user input handling, ...

How to Assign Random Numbers to an Array in Java. Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code.