public class Main public static void main(String[] args) int[][] array = 2, 4, 6, 8, 10, 12, 14, 16, 18 ; // Double each element for (int i = 0; i < array.length; i++) for (int j = 0; j < array[i].length; j++) array[i][j] *= 2;
If your CodeHS course uses (common in Introduction to Computer Science), the logic is nearly identical. The only difference is the lack of static typing. Codehs 8.1.5 Manipulating 2d Arrays
Original Array: 1 8 3 10 2 15 4 6 7 After manipulation: 1 16 3 20 2 30 4 12 14 public class Main public static void main(String[] args)