import javax.swing.JFrame; import javax.swing.JComponent; //The main frame for the naughts and crosses game. When the jar file is executed this class is called first public class nc extends JFrame { public static void main (String[] args) { JFrame.setDefaultLookAndFeelDecorated(true); JFrame frame = new JFrame(); frame.setTitle("Naughts and Crosses"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); ncGUI panMain = new ncGUI(); frame.setResizable(false); frame.setContentPane(panMain); frame.pack(); frame.setVisible(true); } }