query: Java Swing with Threads - repaint and two for loops give error with no hint
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 91845
negative_passages.text: After I have removed vertices, error says "loop in parent"
negative_passages.docid: 132146
negative_passages.text: Response.Redirect and thread was being aborted error?
negative_passages.docid: 106085
negative_passages.text: Difference between paint, paintComponent and paintComponents in Swing
negative_passages.docid: 119091
negative_passages.text: Java Scanner issues (JFrame)
negative_passages.docid: 124160
negative_passages.text: Swing components and serialization
negative_passages.docid: 109442
negative_passages.text: How to deal with cross-thread access exceptions?
negative_passages.docid: 41850
negative_passages.text: Unresponsive KeyListener for JFrame
negative_passages.docid: 155782
negative_passages.text: Why does Java have an "unreachable statement" compiler error?
negative_passages.docid: 40506
negative_passages.text: Threads within threads in Java?
negative_passages.docid: 6931
negative_passages.text: What causes javac to issue the "uses unchecked or unsafe operations" warning
negative_passages.docid: 84078
negative_passages.text: Why does notifyAll() raise IllegalMonitorStateException when synchronized on Integer?
negative_passages.docid: 106257
negative_passages.text: What are the possible problems caused by adding elements to unsynchronized ArrayList's object by multiple threads simultaneously?
negative_passages.docid: 151104
negative_passages.text: paint() in java applet is called twice for no reason
negative_passages.docid: 9025
negative_passages.text: Loop doesn't see value changed by other thread without a print statement
negative_passages.docid: 86579
negative_passages.text: Why does an IllegalThreadStateException occur when Thread.start is called again
negative_passages.docid: 88648
negative_passages.text: Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it was created on