java.lang.NullPointerException when passing return value from one class file to a variable in other class file
49
What is a NullPointerException, and how do I fix it?
55951
Passing arraylist of objects between activities
23964
Why does Java have a "NullPointerException" when there are no pointers in Java?
8808
Strange Java null behavior in Method Overloading
80018
Accessing class members on a NULL pointer
64200
Can Java's NullPointerException be changed to report on which variable was null?
109479
Class variables not yet supported
8283
Why does null reference print as "null"
101449
Using methods from another class in the main?
149666
Why can't a null-reference exception name the object that has a null reference?
289
What is a NullReferenceException, and how do I fix it?
126341
Avoiding IF ELSE due to variable been NULL
35129
Why does String.valueOf(null) throw a NullPointerException?
96843
What will happen when I call a member function on a NULL object pointer?
144600
Printing all variables value from a class
599
Is Java "pass-by-reference" or "pass-by-value"?
46944
Null pointer Exception - findViewById()