Java tutorial
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); } }