Place piece

public void playerMove(Piece thePiece){
            boolean validInput = false;
            do{


                if (thePiece == Piece.Cross){
                    System.out.println("Player 1's turn (X), please enter a number between 1-7 to choose which colum to place your piece");
                } else{
                        System.out.println("Player 2's turn (0), please enter a number between 1-7 to choose which colum to place your piece");
                }

                int col = in.nextInt() - 1;

                if ((0 <= col && col < 7)){
                    validInput = true;
                    }
                else{
                    System.out.println("Move placed on " + (col +1) + ", is not valid, please enter again");
                }

                if(board.position[0][col].content!=Piece.Empty)
                {
                    validInput = false;
                    System.out.println("The Column is already full. Please Select Another Column");
                    continue;
                }
                for(int h = 5; h>= 0; h--){

                    if(board.position[h][col].content==Piece.Empty){
                        {
                            board.position[h][col].content=thePiece;
                            return;
                        }
                    }

                }

                } while (!validInput);

            }