Attemptto invoke virtual method 'boolean java.util.ArrayList.add(java.lang.Object)' on a null object reference
49
What is a NullPointerException, and how do I fix it?
641
Which overload will get selected for null in Java?
149666
Why can't a null-reference exception name the object that has a null reference?
139395
com.sun.istack.SAXException2 : Instance ... is substituting "java.lang.Object", but ... is bound to an anonymous type
10818
NullPointerException : println needs a message in android
64200
Can Java's NullPointerException be changed to report on which variable was null?
119799
Android: Issue during Arraylist declaration
88920
Is using NULL references OK?
37988
System.NullPointerException: Attempt to de-reference a null object:
108336
Nullable Object must have a value #2
85964
Android: ClassNotFoundException when passing serializable object to Activity
45196
Calling class method through NULL class pointer
81518
Find out what variable is throwing a NullPointerException programmatically
68787
Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined
89755
Why is "throw null" not creating a compilation error in Java?
35590
How to fix NullPointerException in Java?
73120
Nullpointerexception when trying to send data from activity to class