public void initializeComponents() {
        ComboBox<String>[] comboBoxes = new ComboBox[]{comboBoxBoardSize, comboBoxNumOfPlayers, comboBoxNumOfSoldiersToPass, comboBoxPlayer1Color, comboBoxPlayer2Color, comboBoxPlayer3Color, comboBoxPlayer4Color};
        TextField[] textFields = new TextField[]{textFieldPlayer1Name, textFieldPlayer2Name, textFieldPlayer3Name, textFieldPlayer4Name};
        CheckBox[] checkBoxes = new CheckBox[]{checkBoxPlayer1Computer, checkBoxPlayer2Computer, checkBoxPlayer3Computer, checkBoxPlayer4Computer};

        initializeComboBoxes(comboBoxes);
        initializeTextFields(textFields);
        initializeCheckBoxes(checkBoxes);

        this.comboBoxBoardSize.requestFocus();
        setVisibleFalseToAllPlayersDetailsPanes();
    }

    private void initializeComboBoxes(ComboBox<String>[] comboBoxes) {
        final String defaultValue = null;

        for (ComboBox<String> comboBox : comboBoxes) {
            comboBox.getSelectionModel().clearSelection();
            comboBox.setValue(defaultValue);
        }
    }

    private void initializeTextFields(TextField[] textFields) {
        final String defaultValue = null;

        for (TextField textField : textFields) {
            textField.setText(defaultValue);
        }
    }

    private void initializeCheckBoxes(CheckBox[] checkBoxes) {
        final boolean defaultValue = false;

        for (CheckBox checkBox : checkBoxes) {
            checkBox.setSelected(defaultValue);
        }
    }