Exception in thread "AWT-EventQueue-0" [not duplicate]
49
What is a NullPointerException, and how do I fix it?
58747
How can I pass a parameter to a Java Thread?
62749
Current thread not owner exception
126935
Getting error for generic interface: The interface Observer cannot be implemented more than once with different arguments:
129333
What does IndexOutofRangeException mean?
25486
Why am I not getting a java.util.ConcurrentModificationException in this example?
93104
What is a NumberFormatException and how can I fix it?
68247
Concurrent Modification Exception : adding to an ArrayList
128922
Application crashes while starting the new thread
41381
Exception thrown in catch and finally clause
112641
Java applet Error ... What is wrong?
35590
How to fix NullPointerException in Java?
84078
Why does notifyAll() raise IllegalMonitorStateException when synchronized on Integer?
6234
Why is a ConcurrentModificationException thrown and how to debug it
156764
I get exception when using Thread.sleep(x) or wait()
112640
WaitAll for multiple handles on a STA thread is not supported
98234
How to prevent an exception in a background thread from terminating an application?