Practice computing the sum of all elements in a 2D array by writing a Java program that calculates the sum of all elements in a given 2D array. Define a 2D array with integer values. Initialize a ...

This Java program calculates the sum of an array and checks whether the sum is an Armstrong number. It takes user input for the array size and elements, computes the sum, and determines if the sum ...

Set element zero of the second array equal to element zero of the first. Loop through the original array, starting at element 1. On each iteration, update the current element of the summed array to ...