This Java program calculates and prints the sum of each row and each column in a given 2D integer array. calculateAndPrintRowSums(int[][] arr): This method calculates and prints the sum of each row in ...

Often times, when working with arrays, we may want to find the sum of all the elements in the array. This can be accomplished easily using a for-loop and a variable to keep track of the sum.

So, this could be a really dumb question, but I've been searching the API's and can't find much that's working for me.I need to search a 2d array for for the index value of an element. I can't seem to ...