Why does my program return a NullPointerException?
49
What is a NullPointerException, and how do I fix it?
72675
I don't understand why this is causeing my program to crash?
8808
Strange Java null behavior in Method Overloading
8738
Should a retrieval method return 'null' or throw an exception when it can't produce the return value?
289
What is a NullReferenceException, and how do I fix it?
11458
NullReferenceException in Unity
98780
Test Method throwing null pointer exception on custom setting
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
64332
avoiding null reference exceptions
34224
What is an "index out of range" exception, and how do I fix it?
2116
IllegalArgumentException or NullPointerException for a null parameter?
152510
Why is document.GetElementById returning null
73034
StringBuilder append() and null values
15113
How to use an array list in Java?
87728
ArgumentNullException or NullReferenceException from extension method?
80631
NullPointerException but compiling?
1605
What is the reason behind "non-static method cannot be referenced from a static context"?