it's here
If the change User user = null;
After the user object is the face of the assignment will fail.
the reason:
To assign it, must be subject to new look to allocate space for the object and then give the object assignment.
it's here
If the change User user = null;
After the user object is the face of the assignment will fail.
the reason:
To assign it, must be subject to new look to allocate space for the object and then give the object assignment.