Please explain how step by step how to solve a) and b)

Explain how step by step how to solve a) and b) int [] [] b = { {0, 1, 2}, {3, 2, 1}, {2, 3, 4} }: int [] u = new int [b. length]: int m = 0: for (int i = 0: i m) m = b [i] [j]: u[i] = m: } int [] [] v = new int [2] []: v[0] = b[2]: v[1] = b[1]: a) Draw the array referred to by reference u. b) Draw the array referred to by reference v