import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.plaf.basic.BasicArrowButton;
public class BasicArrowButtonSample {
public static void main(String args[]) {
JFrame frame = new JFrame("Popup JComboBox");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new GridLayout(0,5));
frame.add(new BasicArrowButton(BasicArrowButton.EAST));
frame.add(new BasicArrowButton(BasicArrowButton.NORTH));
frame.add(new BasicArrowButton(BasicArrowButton.SOUTH));
frame.add(new BasicArrowButton(BasicArrowButton.WEST));
frame.setSize(300, 200);
frame.setVisible(true);
}
}