Attempt to invoke virtual method error (NullPointerException)
49
What is a NullPointerException, and how do I fix it?
20239
How do I use reflection to invoke a private method?
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
80299
Java Error: Cannot make a static reference to the non-static method
2116
IllegalArgumentException or NullPointerException for a null parameter?
15836
Cannot refer to a non-final variable inside an inner class defined in a different method
112328
Error: "an object reference is required for the non-static field, method or property..."
40818
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
46857
Compiler warning: null reference exception
55274
Java: Exception itself is null
73120
Nullpointerexception when trying to send data from activity to class
10818
NullPointerException : println needs a message in android
96843
What will happen when I call a member function on a NULL object pointer?
135931
What does "Method '~' of object '~' failed" at runtime mean?
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
128903
ExecuteScalar throws NullReferenceException
95
Calling virtual functions inside constructors