event-dispatch-thread

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Detecting that JVM is shutting down

I have a Swing application that handles Ctrl+C using addShutdownHook(), and it works fine until one of the shutdown tasks I have calls a function that under normal circumstances changes a JLabel text,[详细]

2023-03-22 13:50 分类：问答
Background job running without affecting the rest of the gui

I\'m asking for assistance concerning a general approach. I have written some java code to check my mailbox for unread mails on buttonclick.[详细]

2023-03-22 03:56 分类：问答
Why is my JTextArea not updating?

I have codeas follows: class SimplifiedClass extends JApplet { private JTextArea outputText; /开发者_JAVA百科/ Lots of methods[详细]

2023-03-22 02:58 分类：问答
Repainting in a multithreaded environment

i am working on an applet with around ten different datasources(e.g. statistics/error-log/...). Each datasource is updated by a single network connection and reports updates via the observer mechanism[详细]

2023-03-07 21:50 分类：问答
Demo from Sun doing GUI stuff outside the EDT?

I am looking at SplashDemo.java from the Java Sun tutorials. The class illustrates how to create splash screens when an application starts up. SplashDemo creates a frame directly in the main method. I[详细]

2023-03-07 17:18 分类：问答
In Java, Can I have a routine called every time the event-dispatch-thread returns from handling an input event?

I am working on a GUI, and I have a routine to update the display when things chan开发者_如何学Cge underneath:[详细]

2023-03-04 01:15 分类：问答
How to run two components in Event dispatch thread at the same time?

I have a JButton that when i click on it, i load some data from a database + initialize a JDialog that has many controls + fill those controls with the loaded data then show that slow JDialog. This ta[详细]

2023-03-02 03:39 分类：问答
Java EventQueue. Why should everything be in invokelater method?

in the book that i\'m reading, every example of GUI with multithreading has something like that: public static void main(String[] args) throws Exception[详细]

2023-02-28 09:00 分类：问答
hiding button, then waiting 2 seconds before showing it again, after clicking the button

I have this school project I\'m making, where I need to make my code hide a button, and then sleep, and then continue, but it never hides the button.[详细]

2023-02-27 21:14 分类：问答
How to view everything running on the event thread

We are experiencing a bug we cannot track down where something is freezing up our swing thread (it\'s been almost 2 weeks now and no real results) - we are experienced Swing programmers but we have 开[详细]

2023-02-26 06:03 分类：问答