Encapsulate Data: Hide internal implementation particulars of objects, exposing only vital interfaces for conversation. Facilitate Extensibility: Use inheritance and polymorphism to create flexible and extensible code that can accommodate future variations. How vital are interactions requiring the worker to: Coordinate or lead others in accomplishing work activities (not supervision)? https://connerbxfqy.tusblogos.com/36587335/the-2-minute-rule-for-software-developers-working