calling Thread.sleep() after modifying the UI appears to result in a runtime error
49
What is a NullPointerException, and how do I fix it?
39032
Can't create handler inside thread that has not called Looper.prepare()
91833
Unit testing a multithreaded application?
124366
Accessing UI (Main) Thread safely in WPF
1087
The calling thread cannot access this object because a different thread owns it
13710
Java GUI, need to pause a method without freezing GUI aswell
136072
How can I use both context and threading?
104123
How to use wait and notify in Java without IllegalMonitorStateException?
4255
"implements Runnable" vs "extends Thread" in Java
28098
When would you call java's thread.run() instead of thread.start()?
17140
Preventing GUI From Freezing When Calling SwingWorker.get( )
1651
IllegalMonitorStateException on wait() call
84078
Why does notifyAll() raise IllegalMonitorStateException when synchronized on Integer?
60714
Process.Start() hangs when running on a background thread
87275
Getting Cross-thread operation not valid
156575
Alternatives to Thread.Sleep() for simulating pauses
91727
Class object affecting other class object when thread.sleep- Python