why is this reference null?
49
What is a NullPointerException, and how do I fix it?
65580
Difference between pointer and reference as thread parameter
107423
After ExecuteScalar: Object reference not set etc
61346
reference variable in object literal?
46857
Compiler warning: null reference exception
50046
java : non-static variable cannot be referenced from a static context Error
92446
C#: How to pass null to a function expecting a ref?
112035
How come a non-const reference cannot bind to a temporary object?
35129
Why does String.valueOf(null) throw a NullPointerException?
127055
Pass By Value & Reference
54143
Why is the default value of the string type null instead of an empty string?
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?
121471
Reference type still needs pass by ref?
1816
Non-static variable cannot be referenced from a static context
1605
What is the reason behind "non-static method cannot be referenced from a static context"?
816
What is the difference between a variable, object, and reference?
127599
Odd situation for "cannot reference this before supertype constructor has been called"