Results 1 to 3 of 3
  1. #1
    D.Calladine is offline Member
    Join Date
    Nov 2010
    Rep Power

    Default Collections, Collection From one class to another

    Hi, im trying to get a collection from one class Department to another Class DeptChooser, so i can put it into an array into a JList and then display it i can get it into a Jlist and display but can't get from Department class into DeptChooser.

    here is my bit of code that i thought would work.

    JList deptList = new JList(dept);
    deptList.setSelectionMode(ListSelectionModel.SINGL E_SELECTION);
    panel.add(deptList, DeptPanel);
    JScrollPane deptListscroll = new JScrollPane(deptList, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    panel.add(deptListscroll, DeptPanel);

    i get a '.class' exspected error

  2. #2
    Tolls is offline Moderator
    Join Date
    Apr 2009
    Rep Power


    Where is that error thrown?
    Full error message and stack trace would be good.

  3. #3
    JosAH's Avatar
    JosAH is offline Moderator
    Join Date
    Sep 2008
    Voorschoten, the Netherlands
    Blog Entries
    Rep Power


    Quote Originally Posted by D.Calladine View Post
    Java Code:
    That first line doesn't work; you have to supply an 'exemplar', i.e. an example array for the method (defined in the Collection interface). So that line should be:

    Java Code:
    collection.toArray(new Department[0]);
    What are you going to do with the array returned by the method? As it is now you simply forget about it. As Tolls already wrote: it would be nice to see a bit more context ...

    kind regards,

    Build a wall around Donald Trump; I'll pay for it.

Similar Threads

  1. collection class in java
    By katturv in forum New To Java
    Replies: 5
    Last Post: 10-24-2010, 07:09 PM
  2. Java Collection class & methods
    By box2box in forum New To Java
    Replies: 2
    Last Post: 05-26-2010, 01:51 AM
  3. Collections
    By Cbani in forum New To Java
    Replies: 3
    Last Post: 02-16-2010, 02:46 PM
  4. know the class coming under the collection api in java
    By javastuden in forum New To Java
    Replies: 1
    Last Post: 11-24-2009, 07:10 AM
  5. Collections Help
    By Dr Gonzo in forum New To Java
    Replies: 0
    Last Post: 12-07-2008, 09:15 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts