well it's char[][] table={{'A', 'B', 'C', 'D'},{'E', 'F', 'G', 'H'},{'I', 'J', 'K', 'L'},{'M', 'N', 'O', 'P'}} not

char table={{'A', 'B', 'C', 'D'},{'E', 'F', 'G', 'H'},{'I', 'J', 'K', 'L'},{'M', 'N', 'O', 'P'}}