FATAL EXCEPTION: main....java.lang.RuntimeException: Unable to instantiate activity ComponentInfo.?
49
What is a NullPointerException, and how do I fix it?
133310
Why isn't there a getContentView() method for Activity?
73120
Nullpointerexception when trying to send data from activity to class
28797
"Unknown class  in Interface Builder file" error at runtime
2116
IllegalArgumentException or NullPointerException for a null parameter?
87220
How do I programmatically compile and instantiate a Java class?
85201
"Cannot create an instance of the abstract class or interface" C# error message
121849
Exception in thread "main" java.lang.NoClassDefFoundError
96453
Caught Throwable or Exception is null
20209
Exception in thread "main" java.lang.NoClassDefFoundError: wrong name
48221
Solving "The ObjectContext instance has been disposed and can no longer be used for operations that require a connection" InvalidOperationException
87349
My application got crashed because of not initializing the view
81518
Find out what variable is throwing a NullPointerException programmatically
93104
What is a NumberFormatException and how can I fix it?
123525
Accessing injected dependency in managed bean constructor causes NullPointerException
11458
NullReferenceException in Unity
94535
How do I instantiate a custom class with dependency injection?