Java tutorial
import java.awt.BorderLayout; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSplitPane; import javax.swing.JTextArea; import javax.swing.border.EmptyBorder; public class Main { public static void main(String[] args) { JPanel ui = new JPanel(new BorderLayout(2, 2)); ui.setBorder(new EmptyBorder(4, 4, 4, 4)); JPanel controls = new JPanel(new BorderLayout(2, 2)); ui.add(controls, BorderLayout.PAGE_START); String s = new String(Character.toChars(8594)); String[] items = { "Choice: right " + s + " arrow" }; JComboBox cb = new JComboBox(items); controls.add(cb, BorderLayout.CENTER); controls.add(new JButton("Button"), BorderLayout.LINE_END); JSplitPane sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new JTextArea(4, 40), new JTextArea(4, 40)); ui.add(sp, BorderLayout.CENTER); JFrame f = new JFrame("Stretch Combo Layout"); f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); f.setContentPane(ui); f.pack(); f.setLocationByPlatform(true); f.setVisible(true); } }