---
title: "Jam 07 - Summary and Submission"
tags:
- 2 📝 in writing
- 3 🧪 in testing
- 4 🥳 done
- inheritance
- interfaces
- polymorphism
- uml
- abstract-classes
- junit
---
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{%hackmd dJZ5TulxSDKme-3fSY4Lbw %}

# 🎯 Three-Jam Journey Complete

Wow! You've come such a long way since starting Jam 05. Let's look at your incredible journey:

## 🛍️ Your Retail System Evolution

### Jam 05: The Foundation

- Built your first `Product` and `ProductCatalog` classes
- Learned ArrayList operations and encapsulation
- Created your first UML class diagrams
- Experienced test-driven development
- Laid the groundwork for a larger system

### Jam 06: The Core System

- Added the powerful `Register` class
- Created enums for `Money` and `TransactionState`
- Built the `Transaction` processing system
- Mastered Maps for the cash drawer
- Implemented utility classes and factory methods
- Handled complex state management

### Jam 07: The Complete Solution

- Added role-based access with `Employee` hierarchy
- Implemented the `Searchable` interface
- Created state diagrams for system behavior
- Added exception handling for robustness
- Integrated everything into a secure system
- Added powerful search capabilities

## 🎓 Look How Far You've Come

You started with just two classes in Jam 05, and now you have a complete retail system with:

- Product management
- Transaction processing
- Cash handling
- Employee authentication
- Role-based security
- Search functionality
- State management
- Exception handling

That's not just a program - that's a professional-grade system! 🌟

## 💪 Skills You've Mastered

1. **Java Programming**
- Classes and objects
- Inheritance hierarchies
- Interface implementation
- Collections framework
- Enum types
- Exception handling

2. **Software Design**
- UML diagramming
- State modeling
- Design patterns
- System architecture
- Component integration

3. **Professional Practices**
- Documentation
- Testing
- Version control
- Code organization
- Error handling

## 🚀 Ready for What's Next

You're now prepared to:

- Take on more complex Java features
- Build larger systems
- Work on team projects
- Create professional applications
- Tackle real-world challenges

Remember: Every great developer started exactly where you did. Keep building, keep learning, and most importantly - be proud of how far you've come! 🌟

# Project Structure

The following new files should be in your repository:

csci205_jams/
├── src/
│   ├── main/
│   │   └── java/
│   │       └── jam07/
│   │           ├── Cashier.java               // Role-specific employee implementation
│   │           ├── Employee.java              // Abstract base class for employees
│   │           ├── InvalidPriceException.java // Custom exception for price validation
│   │           ├── Manager.java               // Role-specific employee implementation
│   │           ├── RegisterStateDiagram.pdf   // UML state diagram
│   │           └── Searchable.java            // Interface for search functionality
│   └── test/
│       └── java/
│           └── jam07/
│               ├── EmployeeTest.java            // Tests for employee hierarchy
│               ├── ProductCatalogTest.java      // Tests for catalog search
│               ├── ProductTest.java             // Tests for product search
│               ├── RegisterIntegrationTest.java // System integration tests
│               ├── RegisterTest.java            // Tests for register search
│               └── TransactionTest.java         // Tests for transaction search

# Submission

Before submitting your work, complete this final checklist:

1. **Code Completeness**
- [ ] All required files are present and in correct locations
- [ ] All files compile without errors
- [ ] All programs run correctly
- [ ] All test cases pass

2. **Documentation**
- [ ] State diagram is clear and complete
- [ ] All code follows course standards with Javadoc
- [ ] Interface and abstract class properly documented
- [ ] Exception class properly documented

3. **Testing**
- [ ] All test cases pass
- [ ] Interface implementations work correctly
- [ ] Employee hierarchy functions properly
- [ ] Exception handling works as expected
- [ ] Integration tests verify system behavior

4. **Version Control**
First, push your feature branch as a backup:

   # Ensure all changes are committed - handle any red files/folders
   git status
   
   # Push your jam07 branch to remote
   git push origin jam07

Then, merge your work into main:

   # Switch to main branch
   git checkout main
   
   # Merge your jam07 branch into main
   git merge jam07
   
   # Push main to remote
   git push

:::warning
🚨 **Important Submission Notes**

1. Be sure to READ all `git` output. Many issues arise when people don't notice that git commands failed.

2. Branch Management:
- Main branch should contain your final, working submission
- Keep your `jam07` branch until grading is complete

3. Repository Status:
- Both branches should be pushed to GitLab
- Working directory should be clean
- The instructors can only grade what's in your GitLab repository

4. Always verify your work appears on [gitlab.bucknell.edu](https://gitlab.bucknell.edu/). The instructors and graders can only see and grade what you've properly pushed to your remote repository.

:::