Java tutorial
import java.awt.Component; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class AlignY { public static void main(String args[]) { JFrame frame = new JFrame("Y Alignment"); JPanel contentPane = (JPanel) frame.getContentPane(); BoxLayout layout = new BoxLayout(contentPane, BoxLayout.X_AXIS); contentPane.setLayout(layout); JButton button = new JButton("0.0"); button.setAlignmentY(Component.TOP_ALIGNMENT); contentPane.add(button); button = new JButton("1.0"); button.setAlignmentY(Component.BOTTOM_ALIGNMENT); contentPane.add(button); button = new JButton("0.5"); button.setAlignmentY(Component.CENTER_ALIGNMENT); contentPane.add(button); frame.setSize(200, 100); frame.show(); } }