Solved

Getting Object and Objectinformations selected in Combobox

Posted on 2006-06-26
5
225 Views
Last Modified: 2010-03-31
Hello there,

once again a problem with java! I´ve got an ComboBox which is filled with objects (Object type is my own)! I can select them but can´t get the objectinformations. Can anybody show me how to handle this??

THX

mfAudi
0
Comment
Question by:mfAudi
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
5 Comments
 
LVL 86

Accepted Solution

by:
CEHJ earned 125 total points
ID: 16982060
YourObject o = (YourObject)cb.getSelectedItem();
0
 
LVL 92

Expert Comment

by:objects
ID: 16982113
what information would you like exactly?

yopu can use a renderer to hadle how your object is displayed

You can cast (as shgown above), and use instanceof to check the type of the value

eg.

Object selected = combo.getSelectedItem();
if (selected instanceof MyBean)
{
   MyBean bean = (MyBean) selected;
   String property = bean.getProperty();
  // ...
}

where MyBean is obne of your classes that you are stoing in the combo


you'll find lots of goo info on usoing combos here:

http://java.sun.com/docs/books/tutorial/uiswing/components/combobox.html
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 16982130
:-)
0
 

Author Comment

by:mfAudi
ID: 16982152
CEHJ

THX for your help! Somtimes my brain is some kind of blocked! My thougths are just to complicated!

Just one question: Where do you come from??

0
 
LVL 86

Expert Comment

by:CEHJ
ID: 16982208
>>Just one question: Where do you come from??

Originally from Manchester UK, but living in London and Somerset
0

Featured Post

Get HTML5 Certified

Want to be a web developer? You'll need to know HTML. Prepare for HTML5 certification by enrolling in July's Course of the Month! It's free for Premium Members, Team Accounts, and Qualified Experts.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Java contains several comparison operators (e.g., <, <=, >, >=, ==, !=) that allow you to compare primitive values. However, these operators cannot be used to compare the contents of objects. Interface Comparable is used to allow objects of a cl…
Java functions are among the best things for programmers to work with as Java sites can be very easy to read and prepare. Java especially simplifies many processes in the coding industry as it helps integrate many forms of technology and different d…
Viewers will learn one way to get user input in Java. Introduce the Scanner object: Declare the variable that stores the user input: An example prompting the user for input: Methods you need to invoke in order to properly get  user input:
This tutorial covers a practical example of lazy loading technique and early loading technique in a Singleton Design Pattern.
Suggested Courses

632 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question