"Object reference not set to an instance of an object" error when trying to add objects to a list inside a class
289
What is a NullReferenceException, and how do I fix it?
78681
How to print instances of a class using print()?
65689
getting exception while putting list data into the map
147251
How do I fix the error where I cannot make a static reference to a non-static input field?
60497
System.QueryException: List has more than 1 row for assignment to SObject
3624
Apex errors with Custom button to add existing records on a custom object
108419
Outputting a C# Object list
5143
Any simple way to explain why I cannot do List animals = new ArrayList()?
35047
Uninitialized variables and members in Java
165
Reference could not be added because of same name
26931
Instantiating inner class
97756
How to add property to a class dynamically?
66307
A field initializer cannot reference the nonstatic field, method, or property
127599
Odd situation for "cannot reference this before supertype constructor has been called"
144423
"No enclosing instance of type" error while calling method from another class in Android
109479
Class variables not yet supported
104585
How to refer to the outer class in another instance of a non-static inner class?