code: import javax.swing.*;
  import java.awt.*;
  
  public class OutputSwing {
  
      public static void main(String[] args) {
  
          SwingUtilities.invokeLater(new Runnable(){
              public void run() {
                  JOptionPane.showMessageDialog (null, "Goodbye, World!"); // in alert box
                  JFrame frame = new JFrame("Goodbye, World!");            // on title bar
                  JTextArea text = new JTextArea("Goodbye, World!");       // in editable area
                  JButton button = new JButton("Goodbye, World!");         // on button
  
                  frame.setLayout(new FlowLayout());
                  frame.add(button);
                  frame.add(text);
                  frame.pack();
                  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                  frame.setVisible(true);
              }
          });
      }
  }
  