Attempt to invoke virtual method on a null object reference?
49
What is a NullPointerException, and how do I fix it?
5082
How do I use reflection to call a generic method?
58054
When is it OK to catch NullPointerException?
77711
How to use Reflection to Invoke an Overloaded Method in .NET
121677
Using final methods to initialize an instance variable
8808
Strange Java null behavior in Method Overloading
79477
Why is "null" present in C# and Java?
32065
Attempt to de-reference a null object: Trigger
46857
Compiler warning: null reference exception
63521
How to pass a nullable type to a P/invoked function
60221
Can I call a base class's virtual function if I'm overriding it?
134010
Can Visual Studio tell me which reference threw a NullReferenceException?
96046
Static fields on a null reference in Java
112328
Error: "an object reference is required for the non-static field, method or property..."
94683
Implement a pure virtual method in Objective-C
45196
Calling class method through NULL class pointer
135931
What does "Method '~' of object '~' failed" at runtime mean?