// PalindromeDriver.java import javax.swing.JFrame; public class PalindromeDriver { public static void main( String args[] ) { PalindromeGuiFrame frame = new PalindromeGuiFrame(); frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); frame.setSize ( 400, 350); frame.setVisible( true ); } // end main method } // end class PalindromeDriver