Java tutorial
import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class PanelWithComponents { public static void main(String[] a) { JPanel panel = new JPanel(); JButton okButton = new JButton("OK"); panel.add(okButton); JButton cancelButton = new JButton("Cancel"); panel.add(cancelButton); JFrame frame = new JFrame("Oval Sample"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(panel); frame.setSize(300, 200); frame.setVisible(true); } }