Solved

Adding text to jlist

Posted on 2000-04-12
10
1,061 Views
Last Modified: 2008-02-26
how do i add text to a jlist and make it visible?

an example please
0
Comment
Question by:j_baxter99
[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
10 Comments
 
LVL 6

Expert Comment

by:expertmb
ID: 2706899
hi,
 try this
 String [] str = {"aa","bb"};
 JList list = new JList(str);
 
mb...
0
 

Author Comment

by:j_baxter99
ID: 2707275
Yep i can do that but i want to add to how do i add contents to it dynamically.
e.g

String [] str = {"aa","bb"};
 JList list = new JList(str);

and now i want to add "cc" to my list

how do i do it?
cheers
0
 

Author Comment

by:j_baxter99
ID: 2707292
also how do i update it when it is added, i.e refresh the list.
0
Get 15 Days FREE Full-Featured Trial

Benefit from a mission critical IT monitoring with Monitis Premium or get it FREE for your entry level monitoring needs.
-Over 200,000 users
-More than 300,000 websites monitored
-Used in 197 countries
-Recommended by 98% of users

 

Author Comment

by:j_baxter99
ID: 2707327
ok i have it but how do i get it to scroll
0
 
LVL 2

Expert Comment

by:muraliram
ID: 2707384
Dear j_baxter99,

JList list = new JList(str);
list.addItem("How are you?");

It will get automatically scrolled when the list is growing.

Bye

Murali
0
 

Author Comment

by:j_baxter99
ID: 2707411
thats is only for a awt.List it doesnt work that way for JList`s muralirm
0
 
LVL 6

Expert Comment

by:expertmb
ID: 2707462
hi,
 inorder to get scrollbar add the Jlist to JScrollPane u will get the scroll bar.

mb...
0
 

Author Comment

by:j_baxter99
ID: 2707641
cant get the scroll pane to become visible ???
0
 
LVL 3

Accepted Solution

by:
ovidiucraciun earned 20 total points
ID: 2707687
package noel.tests;

import javax.swing.*;
import java.awt.*;
import java.io.*;

public class JListExample extends JPanel
{
    private JList       list;
    private JScrollPane jsp;
   
    public JListExample()
    {
        super();
        InitComponents();
    }
    public static void main(String s[])
    {
        JListExample listPanel = new JListExample();
        JFrame fr = new JFrame("String to JList example");
        fr.setContentPane( listPanel );
        fr.setBounds( 300, 300, 300, 300 );
        fr.setVisible( true );
    }
    private void InitComponents( )
    {
        setLayout( new BorderLayout() );
        list = new JList();
        list.setModel(new DefaultListModel());
        for ( int k = 0; k < 25; k ++ )
        {
            addStringToList( "Element nomber " + k );
        }
        jsp = new JScrollPane( list );
        add( jsp, BorderLayout.CENTER );
        //File f = new File(".");
        //System.out.println(f. getAbsolutePath());
    }
    private void addStringToList( String str )
    {
        if ( list != null )
        {
            ((DefaultListModel)list.getModel()).addElement( str );
        }
    }
}
0
 
LVL 6

Expert Comment

by:expertmb
ID: 2707891
 jscrollpane.getViewport().add(list, null).
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

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

Java had always been an easily readable and understandable language.  Some relatively recent changes in the language seem to be changing this pretty fast, and anyone that had not seen any Java code for the last 5 years will possibly have issues unde…
In this post we will learn different types of Android Layout and some basics of an Android App.
Viewers will learn about the different types of variables in Java and how to declare them. Decide the type of variable desired: Put the keyword corresponding to the type of variable in front of the variable name: Use the equal sign to assign a v…
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:

717 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