Updating jlist

12-Jul-2020 23:47 by 10 Comments

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This ensures that any updates made to the model of the JList is reflected on the UI.So, the code to update Swing components reside here.

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This is a community of tens of thousands of software programmers and website developers including Wrox book authors and readers. By joining today you can post your own programming questions, respond to other developers questions, and eliminate the ads that are displayed to guests. Hi, first , sorry for my poor english i have a JScroll Pane with a Jlist inside .

Alternately you can call the "get Model()" method, cast it as ...

Hi, I have a JProgress Bar on a JPanel as a JList component.

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But the best way is to do it right from the beginning.

In many situations, without threads, you will be fine, because the time to perform an action isn't that long to block the user.in your app you could instantiate a thread that reads your records every 5 or 10 seconds, looks for changes and update the jlist. When processing starts, my UI (the JFrame) consecutively adds items to the list with no break between adding items. So here is my question: How do I update the list in real time...meaning..the database is modified outside the application(say the My Sql Command Line Program) I want my list to update automaticaly.....without any refresh button or any stuff like that.I was thinking of a function (or something) that runs in the background and checks the database every 5 or 10 seconds..I have no ideea how to implement something like that. a good choice for a dynamically changing list is to use the Default List Model. in the example the JList is updated by pressing either the add or the remove button.It basically means, "This is such a bad idea we aren't even going to think about what might happen if you do it", lol.) In summary, if you know the data you want to display in a JList is going to change over time, manage your data as an instance of a Default List Model.