Java tutorial
import java.awt.BorderLayout; import java.awt.Component; import java.awt.Dimension; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JToolBar; public class Main extends JFrame { private JToolBar toolbar; private JLabel shapeLabel; private JComboBox shapeChooser; private JLabel colorLabel; private JComboBox colorChooser; private String colorNames[] = { "Black", "Blue", "Cyan", "Dark Gray", "Gray", "Green", "Light Gray", "Magenta", "Orange", "Pink", "Red", "White", "Yellow", "Custom" }; private String shapeNames[] = { "Line", "Oval", "Rectangle", "3D Rectangle", "Paint Brush", "Rounded Rectangle" }; public Main() { setLayout(new BorderLayout()); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(500, 200); add(createToolBar(), BorderLayout.PAGE_START); setVisible(true); } public void addToToolbar(Component component, int row, int column) { Dimension d = component.getPreferredSize(); component.setMaximumSize(d); component.setMinimumSize(d); component.setPreferredSize(d); toolbar.add(component); } public final JToolBar createToolBar() { toolbar = new JToolBar(); shapeLabel = new JLabel("Shapes: "); addToToolbar(shapeLabel, 0, 1); shapeChooser = new JComboBox(shapeNames); shapeChooser.setSelectedIndex(0); addToToolbar(shapeChooser, 0, 2); colorLabel = new JLabel("Colors: "); addToToolbar(colorLabel, 0, 3); colorChooser = new JComboBox(colorNames); addToToolbar(colorChooser, 0, 4); return toolbar; } public static void main(String args[]) { new Main(); } }