javax.swing.plaf.basic

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1. BasicArrowButton:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicArrowButtonExample {
    public static void main(String[] args) {
        JButton button = new JButton("Up");
        button.setUI(new BasicArrowButtonUI.ButtonUI());
        button.setAction(new AbstractAction() {
            @Override
            public void actionPerformed(ActionEvent e) {
                System.out.println("Up arrow clicked");
            }
        });
    }
}

2. BasicButtonUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicButtonUIExtended extends BasicButtonUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.RED);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

3. BasicCheckBoxUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicCheckBoxUIExtended extends BasicCheckBoxUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.BLUE);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

4. BasicComboBoxUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicComboBoxUIExtended extends BasicComboBoxUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.GREEN);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

5. BasicDesktopPaneUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicDesktopPaneUIExtended extends BasicDesktopPaneUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.YELLOW);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

6. BasicEditorPaneUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicEditorPaneUIExtended extends BasicEditorPaneUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.MAGENTA);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

7. BasicFileChooserUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicFileChooserUIExtended extends BasicFileChooserUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.CYAN);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

8. BasicFormattedTextFieldUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicFormattedTextFieldUIExtended extends BasicFormattedTextFieldUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.LIGHT_GRAY);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

9. BasicInternalFrameTitlePaneUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicInternalFrameTitlePaneUIExtended extends BasicInternalFrameTitlePaneUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.ORANGE);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

10. BasicLabelUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicLabelUIExtended extends BasicLabelUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.PINK);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

11. BasicListUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicListUIExtended extends BasicListUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.GRAY);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

12. BasicMenuBarUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicMenuBarUIExtended extends BasicMenuBarUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.RED);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

13. BasicMenuItemUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicMenuItemUIExtended extends BasicMenuItemUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.ORANGE);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

14. BasicOptionPaneUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicOptionPaneUIExtended extends BasicOptionPaneUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.GREEN);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

15. BasicPanelUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicPanelUIExtended extends BasicPanelUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.BLUE);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

16. BasicPasswordFieldUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicPasswordFieldUIExtended extends BasicPasswordFieldUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.YELLOW);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

17. BasicPopupMenuUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicPopupMenuUIExtended extends BasicPopupMenuUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.MAGENTA);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

18. BasicProgressBarUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicProgressBarUIExtended extends BasicProgressBarUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.CYAN);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

19. BasicRadioButtonUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicRadioButtonUIExtended extends BasicRadioButtonUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.LIGHT_GRAY);
        g.drawRect(0, 0, c.getWidth() - 1, c.getHeight() - 1);
    }
}

20. BasicScrollBarUI:

import javax.swing.*;
import javax.swing.plaf.basic.*;

public class BasicScrollBarUIExtended extends BasicScrollBarUI {
    @Override
    public void paint(Graphics g, JComponent c) {
        super.paint(g, c);
        g.setColor(Color.ORANGE);
        g.drawRect(0, 0, c.getWidth() - 1, c.