July 2019
Intermediate to advanced
410 pages
10h 32m
English
Content preview from Hands-On Design Patterns with C# and .NET Core
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Issue one – UnknownCommand
The first issue was what to do when a command is received that does not match any of the defined InventoryCommand inputs. After reviewing the requirements, the team noticed they missed this requirement, as shown in the following screenshot:
The team decided to introduce a new InventoryCommand class, UnknownCommand, to handle this situation. The UnknownCommand class should print a warning message to the console (via the IUserInterface WriteWarning method), should not cause the application to end, and should return false to indicate that the command was not run successfully. The implementation details are shown in ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.