Attempt to invoke virtual method results in a null pointer exception
49
What is a NullPointerException, and how do I fix it?
20239
How do I use reflection to invoke a private method?
27460
Virtual functions
5082
How do I use reflection to call a generic method?
114816
Is null reference possible?
86435
Do I need to explicitly call the base virtual destructor?
20020
NullPointerException accessing views in onCreate()
134010
Can Visual Studio tell me which reference threw a NullReferenceException?
103469
Why can't I create a new method in an anonymous inner class?
289
What is a NullReferenceException, and how do I fix it?
12296
How can I return NULL from a generic method in C#?
18250
What could cause java.lang.reflect.InvocationTargetException?
35590
How to fix NullPointerException in Java?
80631
NullPointerException but compiling?
90868
"Error: Unresolved external symbol" whenever I use a pure virtual function
145465
Why can't static_cast be used to down-cast when virtual inheritance is involved?
142557
Calling pure virtual function in constructor gives an error