Error appears as: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference. How can it be resolved?
49
What is a NullPointerException, and how do I fix it?
145394
Is there any limitation on string length defined in variable argument list
35129
Why does String.valueOf(null) throw a NullPointerException?
85281
Are there any issues with allocating memory within constructor initialization lists?
98396
How can I get the size of an array, a Collection, or a String in Java?
40818
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
137411
Is it possible to test list size from a VisualForce page?
129333
What does IndexOutofRangeException mean?
87189
System.NullPointerException
111005
Define a fixed-size list in Java
98080
Android: Cannot invoke toString() on the primitive type int
154262
List has no rows for assignment to SObject
155957
Method causes OutOfMemory error
38664
Keep getting this error: System.QueryException: List has no rows for assignment to SObject
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?
128903
ExecuteScalar throws NullReferenceException
67299
"Instantiating" a List in Java?