The transport industry has yet to test the system and, according to reports, a beta version will not be ready until mid-December, with the release version not expected until April, well after the end of the Brexit transition period.
A Cabinet Office official told Bloomberg that beta is a standard labelling practice for a digital service that is fully operational. Experienced IT professionals may contest this definition.
Monica Shiralkar wrote:But doesn't abstraction reduce the complexity of design too?
Monica Shiralkar wrote:polymorphism ... here whether it refers to arrayList or LinkedList the behaviour which the caller sees is the same.
Does that mean the sole purpose of Abstraction is to reduce complexity of our code by this hiding of implementation complexity at the place of calling?
Stephan van Hulst wrote:The point is that by using List as the return type, you signal to the caller that whatever the implementation is NOW, they shouldn't rely on this because it could change at any moment.