Basic Concepts
Before starting with the central ideas about architecture, it is important to be clear about these concepts, because later we will see them represented in any system:
| Objects vs Data Structures | Learn Design Patterns | Duplication |
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| An object is not a data structure, they have different purposes. | Design patterns are not for showing off, but for conveying intentions. | Differentiate between a true duplication and a false duplication. |
