Dialog Box - Java Sample Program

// Dialog1.java
// Using JOptionPane to display multiple lines in a dialog box.
import javax.swing.JOptionPane; // import class JOptionPane

public class Dialog1
{
   public static void main( String[] args )
   {
      // display a dialog with a message 
      JOptionPane.showMessageDialog( null, "Welcome\nto\nJava" );
   } // end main
} // end class Dialog1