This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
I have a hashmap of arrays, if I iterate over the map and prints the elements, it will print the arrays as a whole. I want to print the elements of the arrays which is not that easy, however, I have come oup with a solution: