How to check if the value of the String passed as parameter of a function is null or not?
126
How do I compare strings in Java?
37132
In either C or C++, should I check pointer parameters against NULL/nullptr?
94883
Why does comparing a SQL date variable to null behave in this way?
139747
How can I get the values of the parameters of a calling method?
39781
Why does the is operator return false when given null?
96317
How to check type of variable in Java?
43769
How do I Parameterize a null string with DBNull.Value clearly and quickly
126845
WHERE IS NULL, IS NOT NULL or NO WHERE clause depending on SQL Server parameter value
148793
Checking Textbox Text for Null
60338
Null vs. False vs. 0 in PHP
54143
Why is the default value of the string type null instead of an empty string?
104501
How do I enforce null checking?
103417
Why is String.IsNullOrEmpty faster than String.Length?
21566
What is the best way to check the parameters of the method?
24249
When is the Killing form null?
114349
What is a null-terminated string?
124471
Comparing nullable column values using "IS NULL" versus "= NULL"