Hole

package EX2;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class SpaceStation {

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int n = Integer.parseInt(s.nextLine());
        String[][] arr = new String[n][n];
        List<String> list = new ArrayList<>();
        list.add("up");
        list.add("down");
        list.add("left");
        list.add("right");
        int row = 0;
        int col = 0;
        int holeRow = -1;
        int holeCol = -1;
        int holeRowTwo = -1;
        int holeColTwo = -1;
        for (int i = 0; i < n; i++) {
            String input = s.nextLine();
            for (int j = 0; j < n; j++) {
                arr[i][j] = String.valueOf(input.charAt(j));
            }
            if (input.contains("S")) {
                row = i;
                col = input.indexOf("S");
            }
            if (input.contains("O")) {
                if (holeRow > -1) {
                    holeRowTwo = i;
                    holeColTwo = input.lastIndexOf("O");

                } else {
                    holeRow = i;
                    holeCol = input.indexOf("O");
                }

            }
        }
        System.out.println(row + " " + col);
        int points = 0;
        while (true) {
            String command = s.nextLine();
            switch (command) {
                case "up":
                    if (row - 1 < 0) {
                        arr[row][col] = "-";
                        System.out.println("Bad news, the spaceship went to the void.");
                        break;
                    } else {
                        if (arr[row - 1][col].charAt(0) == 'O') {
                            arr[row][col] = "-";
                            if (arr[row - 1][col] == arr[holeRow][holeCol]) {
                                arr[holeRow][holeCol] = "-";
                                arr[holeRowTwo][holeColTwo] = "S";
                                row = holeRowTwo;
                                col = holeColTwo;
                            } else {
                                arr[holeRowTwo][holeColTwo] = "-";
                                arr[holeRow][holeCol] = "S";
                                row = holeRow;
                                col = holeCol;
                            }
                        } else {
                            if (Character.isDigit(arr[row - 1][col].charAt(0))) {
                                points += Integer.parseInt(arr[row - 1][col]);
                            }
                            arr[row][col] = "-";
                            arr[--row][col] = "S";
                        }
                    }
                    break;
                case "down":
                    if (row + 1 >= arr.length) {
                        arr[row][col] = "-";
                        System.out.println("Bad news, the spaceship went to the void.");
                        break;
                    }else {
                        if (arr[row + 1][col].charAt(0) == 'O') {
                            arr[row][col] = "-";
                            if (arr[row + 1][col] == arr[holeRow][holeCol]) {
                                arr[holeRow][holeCol] = "-";
                                arr[holeRowTwo][holeColTwo] = "S";
                                row = holeRowTwo;
                                col = holeColTwo;
                            } else {
                                arr[holeRowTwo][holeColTwo] = "-";
                                arr[holeRow][holeCol] = "S";
                                row = holeRow;
                                col = holeCol;
                            }
                        } else {
                            if (Character.isDigit(arr[row + 1][col].charAt(0))) {
                                points += Integer.parseInt(arr[row + 1][col]);
                            }
                            arr[row][col] = "-";
                            arr[++row][col] = "S";
                        }
                    }
                    break;
                case "left":
                    if (col - 1 < 0) {
                        arr[row][col] = "-";
                        System.out.println("Bad news, the spaceship went to the void.");
                        break;
                    } else {
                        if (arr[row][col-1].charAt(0) == 'O') {
                            arr[row][col] = "-";
                            if (arr[row][col-1] == arr[holeRow][holeCol]) {
                                arr[holeRow][holeCol] = "-";
                                arr[holeRowTwo][holeColTwo] = "S";
                                row = holeRowTwo;
                                col = holeColTwo;
                            } else {
                                arr[holeRowTwo][holeColTwo] = "-";
                                arr[holeRow][holeCol] = "S";
                                row = holeRow;
                                col = holeCol;
                            }
                        } else {
                            if (Character.isDigit(arr[row][col-1].charAt(0))) {
                                points += Integer.parseInt(arr[row][col-1]);
                            }
                            arr[row][col] = "-";
                            arr[row][--col] = "S";
                        }
                    }
                    break;
                case "right":
                    if (col + 1 >= arr.length) {
                        arr[row][col] = "-";
                        System.out.println("Bad news, the spaceship went to the void.");
                        break;
                    } else {
                        if (arr[row ][col+1].charAt(0) == 'O') {
                            arr[row][col] = "-";
                            if (arr[row][col+1] == arr[holeRow][holeCol]) {
                                arr[holeRow][holeCol] = "-";
                                arr[holeRowTwo][holeColTwo] = "S";
                                row = holeRowTwo;
                                col = holeColTwo;
                            } else {
                                arr[holeRowTwo][holeColTwo] = "-";
                                arr[holeRow][holeCol] = "S";
                                row = holeRow;
                                col = holeCol;
                            }
                        } else {
                            if (Character.isDigit(arr[row][col+1].charAt(0))) {
                                points += Integer.parseInt(arr[row][col+1]);
                            }
                            arr[row][col] = "-";
                            arr[row][++col] = "S";
                        }
                    }
                    break;
            }

            if (!list.contains(command)) {
                break;
            }
        }
        //Print
        for (int k = 0; k < n; k++) {
            for (int j = 0; j < n; j++) {
                System.out.print(arr[k][j]);
            }
            System.out.println();
        }
        System.out.println(points);
    }

}