Two objects value is null; why?
599
Is Java "pass-by-reference" or "pass-by-value"?
87189
System.NullPointerException
37988
System.NullPointerException: Attempt to de-reference a null object:
33613
Why is this trigger finding a null value despite the field being populated?
15097
Is there any difference between IS NULL and =NULL
51586
Using two (or more) objects as a HashMap key
19065
Why is only one object being rendered?
289
What is a NullReferenceException, and how do I fix it?
124471
Comparing nullable column values using "IS NULL" versus "= NULL"
28648
Will new return NULL in any case?
116729
Get integer value from another class
110077
Is it good practice to NULL a pointer after deleting it?
67597
Can constructor return a null object?
96453
Caught Throwable or Exception is null
15435
how to check if $1 and $2 are null?
47674
How to pass an object from one activity to another on Android
35590
How to fix NullPointerException in Java?