Hello,
Try the following code
Code:
public class Frame (
public static void main(String[] args) (
JFrame frm1 = new JFrame("Sudoku Solver");
frm1.setSize(500,500);
frm1.setResizable(false);
frm1.setLocationRelativeTo(null);
frm1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar mb = new JMenuBar();
frm1.setJMenuBar(mb);
JMenu prg = new JMenu("Program");
mb.add(prg);
JMenuItem ext = new JMenuItem("Exit");
prg.add(ext),
ext.addActionListener(new events.exitaction());
JMenu vrt = new JMenu("vrt");
mb.add(variant);
JMenu sdk = new JMenu("Sudoku - normal");
JMenuItem sudo = new JMenuItem("9x9 Sudoku field");
JMenuItem sudokun16mal16 = new JMenuItem("16x16 Sudoku box);
sdk.add(sudo);
sudo.addActionListener(new events.sudo());
sdk.add(sudokun16mal16);
JMenuItem sudotst = new JMenuItem("Killer Sudoku");
variations.add(sdk);
variations.add(sudotst);
frm1.setVisible(true);
)
)
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