Avoiding If statement to check if object is Null
10581
Avoiding NullPointerException in Java
94610
Avoiding copy of objects with the "return" statement
70566
How do I check if an object has a key in JavaScript?
123797
Not equal  != operator on NULL
641
Which overload will get selected for null in Java?
576
How can I check for an empty/undefined/null string in JavaScript?
148793
Checking Textbox Text for Null
153624
What's the difference between is_null($var) and ($var === null)?
15097
Is there any difference between IS NULL and =NULL
120566
Compare two objects in Java with possible null values
67597
Can constructor return a null object?
133130
How to sort an array of objects containing null elements?
64332
avoiding null reference exceptions
158810
Why does >= return false when == returns true for null values?
155686
What is a reason of placing boolean or null before comparison operator?
19198
Does assigning objects to null in Java impact garbage collection?
140585
Avoiding if statement inside a for loop?