Does java.util.List.isEmpty() check if the list itself is null?
49
What is a NullPointerException, and how do I fix it?
83354
Nullable types: better way to check for null or zero in c#
29684
How to check if an object is nullable?
114378
How to check if the string is empty?
65944
Easier way of writing null or empty?
114816
Is null reference possible?
67597
Can constructor return a null object?
61020
Python extend with an empty list bug?
8808
Strange Java null behavior in Method Overloading
148793
Checking Textbox Text for Null
133210
Why isn't String.Empty a constant?
38241
How do I check for nulls in an '==' operator overload without infinite recursion?
110677
How is an empty set truly "empty"?
94839
Check whether a string is not null and not empty
62074
Which is more effective: if (null == variable) or if (variable == null)?
97235
Test if any columns are NULL
8738
Should a retrieval method return 'null' or throw an exception when it can't produce the return value?