Whats worng with this code ??

Question

class exMenu extends try1 {
exMenu (){
setSize (300,300);

JMenuBar mB = new JMenuBar ();
setJMenuBar (mB);

JMenu mFile = new JMenu ("File");
mB.add(mFile);
JMenuItem itmNew = new JMenuItem ("New");
JMenuItem itmExit = new JMenuItem ("Exit");
mFile.add(itmNew);
mFile.add(itmExit);

setVisible (true);

public static void main (String [] arts){
new exMenu();
}
}

Answer 1

you're not closing the "exMenu" function

Answer 2

how??