To Create an object at runtime
IF I put the declaration of some components into the method of 'actionPerformed',for
JTextArea ErrorMsg=new JTextArea(4,10);
Why it doesn't work?
Re: To Create an object at runtime
This makes ErrorMsg a local variable for that method. You can't refer to it
outside the method, and as soon as the method finishes its local variables
are candidates for garbage collection.
Don't know what you mean by "it doesn't work". Local variables work.
You'll get a compiler error if you try to reference them outside of their
scope. Hope this helps, your question isn't very clear or specific.
Huiyuanm <email@example.com> wrote in message
> IF I put the declaration of some components into the method of
> JTextArea ErrorMsg=new JTextArea(4,10);
> Why it doesn't work?
> Thank you!
-- Android Development Center
-- Cloud Development Project Center
-- HTML5 Development Center
-- Windows Mobile Development Center