Null object reference in Firestore/ firebase on null Object reference Line with (firestoreDB.collection("Recipes"))
49
What is a NullPointerException, and how do I fix it?
134010
Can Visual Studio tell me which reference threw a NullReferenceException?
117500
default(T) with empty collection instead of null
58054
When is it OK to catch NullPointerException?
102497
Inserting text gives objectcollection error
2772
Is there a "null coalescing" operator in JavaScript?
102290
Cannot assign null to anonymous property of type array
65355
Conversion Error setting value for 'null Converter' - Why do I need a Converter in JSF?
149666
Why can't a null-reference exception name the object that has a null reference?
156535
Saving nested foreign objects with ORMLite on Android
87728
ArgumentNullException or NullReferenceException from extension method?
70532
NullReferenceException after POST
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
8738
Should a retrieval method return 'null' or throw an exception when it can't produce the return value?
124471
Comparing nullable column values using "IS NULL" versus "= NULL"
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?
126231
How can I manage the onslaught of null checks?