ArrayList returning NullPointer Exception || Java || OOP
49
What is a NullPointerException, and how do I fix it?
29559
How to pass an ArrayList to a varargs method parameter?
52076
Why is an ArrayList parameter modified, but not a String parameter?
29684
How to check if an object is nullable?
132398
What is null in Java?
5143
Any simple way to explain why I cannot do List animals = new ArrayList()?
116773
Converting ArrayList to Array in java
119799
Android: Issue during Arraylist declaration
96453
Caught Throwable or Exception is null
67597
Can constructor return a null object?
47233
Cannot perform instanceof check against parameterized type ArrayList
108336
Nullable Object must have a value #2
111535
Why does the ArrayList implementation use Object[]?
73285
Null Pointer Exception in XMl Parsing
28147
java: (String[])List.toArray() gives ClassCastException
69771
NullPointerException when setting attribute?
8808
Strange Java null behavior in Method Overloading