Object orientation (OO) is way of developing software. It applies from analysis of users' needs, to design, and then to coding and testing. The Unified Modelling Language (UML) is a way to diagram your system using OO principles.
If you're serious about coding, chances are that you will need to learn object orientation.
Here's the complete list of object-oriented courses that we offer:
And if you need customised training, we can help you with that as well.