ArrayList is null when returned from function
599
Is Java "pass-by-reference" or "pass-by-value"?
114816
Is null reference possible?
39781
Why does the is operator return false when given null?
96453
Caught Throwable or Exception is null
81624
Is returning null bad design?
2116
IllegalArgumentException or NullPointerException for a null parameter?
48512
Placing null at the end of the List
87189
System.NullPointerException
54143
Why is the default value of the string type null instead of an empty string?
29559
How to pass an ArrayList to a varargs method parameter?
120566
Compare two objects in Java with possible null values
73120
Nullpointerexception when trying to send data from activity to class
8283
Why does null reference print as "null"
20020
NullPointerException accessing views in onCreate()
134907
Converting 'ArrayList to 'String[]' in Java
45196
Calling class method through NULL class pointer
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?