public Keyboard(Map<Character, Integer> mapOfKeys, String keys, int amountOfKeysInFile) {
        this.mapOfKeys = mapOfKeys;
        this.keys = keys;
        this.placementMatrix = new char[6][21];
        this.amountOfKeys = amountOfKeysInFile;
        for (int i = 0; i < 6; i++) {
            int k = 0;
            if (i == 1 || i == 2) {
                k = 21;
            } else if (i == 4) {
                k = 18;
            } else if (i == 5) {
                k = 13;
            } else {
                k = 16;
            }
            for (int j = 0; j < k; j++) {
                this.placementMatrix[i][j] = ' ';
            }
        }

    }