Java tutorial
import java.awt.Dialog; import java.awt.FlowLayout; import javax.swing.JDialog; import javax.swing.JFrame; public class Main { public static void main(String[] args) { final JFrame parent = new JFrame("Parent Frame"); parent.setLayout(new FlowLayout()); parent.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); parent.setBounds(100, 100, 300, 200); parent.setVisible(true); JDialog dialog1 = new JDialog(parent, "Dialog1 - Modeless Dialog"); dialog1.setBounds(200, 200, 300, 200); dialog1.setVisible(true); JDialog dialog2 = new JDialog(parent, "Dialog2 - Document-Modal Dialog", Dialog.ModalityType.DOCUMENT_MODAL); dialog2.setBounds(300, 300, 300, 200); JDialog dialog3 = new JDialog(dialog2, "Dialog3 - Modeless Dialog"); dialog3.setBounds(400, 400, 300, 200); dialog3.setVisible(true); dialog2.setVisible(true); } }