If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)

Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

Extending a clas in java

Kevo · 2007-01-04 15:47:45

Hi Im trying to extend the ArrayList class but I cannot find the variable names in ArrayList. Without them I cant make any useful methods. Could someone tell me what I'm doing wrong? Thanks

Options

04-01-2007 4:47pm

#1

Kevo

Registered Users Posts: 427 ✭✭

Join Date: September 2004

Posts: 298

Hi
Im trying to extend the ArrayList class but I cannot find the variable names in ArrayList. Without them I cant make any useful methods. Could someone tell me what I'm doing wrong?
Thanks

0

Comments

Options
#2 04-01-2007 5:20pm
Evil Phil

Registered Users Posts: 7,468 ✭✭✭

Join Date: March 2001

Posts: 6624

What you are doing wrong is explained here. Enjoy.

0
Options
#3 04-01-2007 7:23pm
Hobbes

Registered Users Posts: 21,264 ✭✭✭✭

Join Date: February 1998

Posts: 18308

Somewhat confusing. What do you mean by variable names in the ArrayList?

You add objects to the ArrayList, which would be referenced by a variable that you probably passed in.

You then have to get an Object back. You have to cast that object if your in 1.4.

0