Chiradeep,
I think you mean throwing a runtime exception or returning null is
equivalent. A checked exception would enforce handling of the empty
return.
I think @Nullable is a good idea. In this case or in cases where there
is queried for lists I would think an empty list is the best thing to
do.
There is no good answer IMHO. The designer of the API chose this design.
Throwing a checked exception or returning Null is equivalent.
Throwing a runtime exception is probably wrong since there may be some
recovery possible.
We could annotate the method with @Nullable so that the compiler/IDE can
