“Выключите границу Focus java” Ответ

Выключите границу Focus java

// Removes the dotted border around controls which is not consistent with Windows
        UIManager.put("Button.focus", new ColorUIResource(new Color(0, 0, 0, 0)));
        UIManager.put("ToggleButton.focus", new ColorUIResource(new Color(0, 0, 0, 0)));

        // ways to remove it from other controls...
        UIManager.put("CheckBox.focus", new ColorUIResource(new Color(0, 0, 0, 0)));
        UIManager.put("TabbedPane.focus", new ColorUIResource(new Color(0, 0, 0, 0)));
        UIManager.put("RadioButton.focus", new ColorUIResource(new Color(0, 0, 0, 0)));
        UIManager.put("Slider.focus", new ColorUIResource(new Color(0, 0, 0, 0)));

        // figure out combobox
        UIManager.put("ComboBox.focus", new ColorUIResource(new Color(0, 0, 0, 0)));