NullPointerException when adding to an initialized ArrayList
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What is a NullPointerException, and how do I fix it?
47137
Having trouble adding objects to NSMutableArray in Objective C
28147
java: (String[])List.toArray() gives ClassCastException
96046
Static fields on a null reference in Java
80631
NullPointerException but compiling?
87728
ArgumentNullException or NullReferenceException from extension method?
119573
NullPointerException in Java with no StackTrace
141129
InputStream returning NullPointerException (Java)
153948
Add variables to Arraylist and it replaces all previous elements , while variables are not static
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Android: Issue during Arraylist declaration
131552
new ArrayList() failing in Java
27212
Variables might not have been initialized
46857
Compiler warning: null reference exception
35129
Why does String.valueOf(null) throw a NullPointerException?
10581
Avoiding NullPointerException in Java
6527
How to avoid java.util.ConcurrentModificationException when iterating through and removing elements from an ArrayList
480
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?