Module 1	Design Pattern Foundations
Objective	Prepare to evaluate and apply Gang of Four patterns through one continuing project.

Design Patterns Module 1

Module 1 establishes the vocabulary, prerequisites, and project context used throughout the OP200 Design Patterns course. You will distinguish a reusable design pattern from finished code, learn how to evaluate consequences, and create the first domain model for a traffic-flow simulation.

Module Workflow

Introduction to Design Patterns: define patterns and learn how to read a pattern description.
Course Requirements: confirm your object-oriented programming foundation and development toolchain.
Course Expectations: review the decision process, deliverables, and limits of the GoF catalog.
Course Project: examine the traffic simulation scope, invariants, and change scenarios.
Object and Class Exercise: propose the initial domain model and compare it with a reference analysis.

Project Context

Illustrated intersection used by the traffic-flow design-pattern course project — The continuing project separates traffic rules, signal timing, and moving entities so later modules can evaluate pattern-based alternatives.

Completion Check

Before continuing to Module 2, you should be able to explain the difference between a pattern and an implementation, identify likely objects in the traffic domain, and name at least one design boundary that requires further evidence.