NetworkOnMainThreadException for register function
3984
How to fix 'android.os.NetworkOnMainThreadException'?
156764
I get exception when using Thread.sleep(x) or wait()
56124
Why do I get "Exception; must be caught or declared to be thrown" when I try to compile my Java code?
39810
What is "string[] args" in Main class for?
70345
Why does the inner exception reach the ThreadException handler and not the actual thrown exception?
104123
How to use wait and notify in Java without IllegalMonitorStateException?
29305
Program hangs if thread is created in static initializer block
101059
Android - android.os.NetworkOnMainThreadException
81836
Java Wait and Notify: IllegalMonitorStateException
103797
Android:android.view.ViewRoot$CalledFromWrongThreadException - How to solve the problem?
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
88546
Can't specify the 'async' modifier on the 'Main' method of a console app
143697
Method must have signature "String method() ...[etc]..." but has signature "void method()"
114592
Return values from Java Threads
46857
Compiler warning: null reference exception
118366
Invalid token 'while' in class, struct, or interface member declaration in very simple code
49
What is a NullPointerException, and how do I fix it?