null pointer exception after calling a method
49
What is a NullPointerException, and how do I fix it?
110077
Is it good practice to NULL a pointer after deleting it?
85266
Unit testing a method that calls another method
107423
After ExecuteScalar: Object reference not set etc
480
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
289
What is a NullReferenceException, and how do I fix it?
96843
What will happen when I call a member function on a NULL object pointer?
51487
How to call a method stored in a HashMap? (Java)
87728
ArgumentNullException or NullReferenceException from extension method?
35783
problem in calling method in webservice
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
138823
Why cast null to Object?
130819
Nullpointerexception while setting a bean
18925
Why are my fields initialized to null or to the default value of zero when I've declared and initialized them in my class' constructor?
46857
Compiler warning: null reference exception
21329
How to call a method of a class?
133927
Java variable might not have been initialized?