Blank finals are fields that are declared as final, but are not given an initialization value. Java allows the creation of blank finals, but, in all cases, the blank final must be initialized before it is used, and the compiler ensures this. However, blank finals provide much more flexibility since, for example, a final field inside a class can now be different for each object and yet it retains its immutable quality. Here


What We Should Expect from Cell Phone Tech in the Near Future
The earliest cell phones included boxy designs full of buttons and antennas, and they only made calls. Needless to say, we’ve come a long way from those classic brick phones