---
title: "Jam 05 - All"
tags:
- 3 🧪 in testing
- 4 🥳 done
- classes
- uml
- arraylist
- documentation
---
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# Jam 05 - Product Management & Introduction to Classes

:::spoiler **Course Development Team**
<center>
<table width="100%">
<tr align="center">
<td width="50%">
<img src="https://www.dropbox.com/scl/fi/uz9dn7vc9y5k43160pdb0/Fun-Artsy-Square.png?rlkey=2zmgqgblwsagukfsb343tl3ye&raw=1" alt="Lily Romano" width="100" style="border-radius: 50%"/><br/>
<a href="https://lilyromano.com">Lily Romano</a>
</td>
<td width="50%">
<img src="https://www.bucknell.edu/sites/default/files/styles/faculty_page_photo/public/libris/C00001GOQFVeT0YE/G0000hRJySpIobZY/20160419-7C8A4469.jpg" alt="Brian King" width="100" style="border-radius: 50%"/><br/>
<a href="https://www.bucknell.edu/fac-staff/brian-king">Brian King</a>
</td>
</tr>
</table>
</center>
:::

| | |
| ---------------------- | ---------------------------------------- |
| **Working Directory:** | `src/main/java/jam05` |
| **Points:** | 10 pts |
| **Team-based?** | NO (but discussion encouraged) |
| **Due:** | Tuesday, 2025-Feb-25 @ 11:59 pm |

# Objectives

- Design and implement basic Java classes with proper encapsulation
- Create UML class diagrams using industry-standard notation
- Work with ArrayLists to manage collections of objects
- Practice test-driven development using JUnit
- Master IDE features for efficient Java development

# Introduction & Outcomes

Welcome to Jam 05! This jam marks your transition from working with basic Java syntax to creating full-fledged object-oriented programs. You'll be building a product management system for a retail store, which will serve as your introduction to object-oriented programming concepts in Java. Through this practical project, you'll learn how to design and implement classes, work with collections, and follow professional development practices.

## What You'll Learn & Accomplish

1. **Class Design & Implementation**
- Learn to create well-structured Java classes using encapsulation
- Use IntelliJ's code generation tools for efficient development
- Work with constructors, getters, and toString methods
- **Outcome**: Build a `Product` class that properly represents retail items with validation

2. **UML Diagramming**
- Use draw.io to create professional class diagrams
- Apply proper UML notation for attributes and methods
- Model relationships between classes
- **Outcome**: Create clear, industry-standard documentation of your class designs

3. **Collection Management**
- Implement ArrayList-based collection management
- Create methods for adding and removing items
- Develop search functionality by different criteria
- **Outcome**: Build a `ProductCatalog` class that efficiently manages product data

4. **Test-Driven Development**
- Work with JUnit tests to verify functionality
- Debug and fix failing tests
- Ensure proper error handling
- **Outcome**: Develop reliable, well-tested code that meets requirements

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