Thank you,
-Ted
On Jun 27, 7:15 am, "James Boswell" <boswell_ja...@hotmail.com> wrote:
> Hi,
>
> In order to create an instance of an inner class, you first need to create
> an instance of the outer class.
>
> For example,
>
> public class Outer {
>
> public Outer(){
> }
>
> public class Inner {
>
> public Inner(){
> }
> }
>
> }
>
> With these classes, you cannot call new Inner() on its own. You need to have
> an instance of Outer first.
>
> Outer o = new Outer();
> Inner i = o.new Inner();
>
> or
>
> Inner i = new Outer().new Inner();
>
> Hope this helps.
>
> James
>
>
>
> -----Original Message-----
> From: java-ee-j2ee-programming-with-passion@googlegroups.com
>
> [mailto:java-ee-j2ee-programming-with-pass...@googlegroups.com] On Behalf Of
> tedpottel
> Sent: 24 June 2009 21:18
> To: Java EE (J2EE) Programming with Passion!
> Subject: [java ee programming] New Programmer needs help
>
> Hi,
> I'm trying to learn how to use buttons, I have the following code
> public class mySwing {
>
> class action implements ActionListener {
>
> public void actionPerformed(ActionEvent e)
> {
> // do something
> System.out.println("ted");
>
> }
> }
>
> public static void main(String[] arg)
> {
> JFrame frame = new JFrame("The Frame");
> frame.setSize(400,400);
> frame.setLocation(10,10);
> frame.setVisible(true);
>
> Container con = frame.getContentPane();
> con.setLayout(new FlowLayout());
> con.add( new JLabel("hi"));
> con.add(new JLabel("ted"));
>
> // ad a button
> JButton but = new JButton("fred");
> action a = new action();
>
> but.addActionListener( a);
>
> con.add(but);
>
> }
> }
>
> I get a error on
> action a = new action()
> eclipse says
> Description
> No enclosing instance of type mySwing is accessible. Must qualify the
> allocation with an enclosing instance of type mySwing (e.g. x.new A()
> where x is an instance of mySwing). mySwing.java testswing/src line
> 34
> Java Problem
> Can somebody explains what this means?????????
> -Ted
>
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> 05:53:00- Hide quoted text -
>
> - Show quoted text -
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