JAVA Help: RULES: 1. You may not import any extra functionality besides the default. For example, System and Math are imported by default and thus may be used, whereas something like ArrayList must be explicitly imported so it is disallowed. 2. You may not use any built-in functionality for copying an array, like System.grraxCopy, Arrays.coRxOfO, Qbiect.clone, Arrays.stream, etc. If you want to copy an array, you should do it manually (ie, create a new array and transfer the data). Create the following method: public static int[][] triangularArray(int[][] arr) It creates and returns a two-dimensional triangular array that holds the elements of arr in the same order. Please note that the last row may not have the maximum lenght permitted. Examples triangularArray({{1,2,3,4,5},{6,7,8,9,10}}) triangularArray({(1,2), (3,4},{5,6},{7,8}}) {{1},{2,3},{4,5,6},{7,8,9,10}} {{1}, {2,3},{4,5,6},{7,8}}