Ecosyste.ms: Awesome
An open API service indexing awesome lists of open source software.
https://github.com/kelvintechnical/java-compound
https://github.com/kelvintechnical/java-compound
Last synced: 27 days ago
JSON representation
- Host: GitHub
- URL: https://github.com/kelvintechnical/java-compound
- Owner: kelvintechnical
- Created: 2024-11-15T17:35:44.000Z (2 months ago)
- Default Branch: main
- Last Pushed: 2024-11-29T15:49:12.000Z (about 2 months ago)
- Last Synced: 2024-11-29T16:36:11.958Z (about 2 months ago)
- Size: 170 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# The Java Compound 🚀
Welcome to **The Java Compound**, a comprehensive repository designed to help aspiring Java developers master their skills through a series of projects. Each main project comes with 9 subprojects aimed at reinforcing concepts and preparing you for the final implementation of the main project.
---
## 📫 How to Reach Me:
**Email**: [[email protected]](mailto:[email protected])
**LinkedIn**: [Kelvin R. Tobias](https://www.linkedin.com/in/kelvin-r-tobias-211949219/)
**Bluesky**: [@kelvintechnical.bsky.social](https://bsky.app/profile/kelvintechnical.bsky.social)
**Instagram**: [@kelvinintech](https://www.instagram.com/kelvinintech/)
---
## About Me
Hi, my name is **Kelvin R. Tobias**, and I’m currently a student at **Western Governors University**, pursuing my bachelor’s degree in **Software Engineering**. My curriculum has provided me with the opportunity to learn **Python**, **JavaScript**, **Java**, and **C#**.
I build a lot of projects in my free time to reinforce what I’ve learned. As you know, it’s hard to remember the syntax for so many languages, so building projects helps solidify my knowledge and skills.
---
# Beginner's Programming Guide
Welcome! This guide is designed for beginners who want to learn programming step-by-step. Whether you're 10 years old or completely new to coding, this resource will help you set up your environment, understand every line of code, and build confidence as you create projects.
---
## How to Use This Guide
If you're using ChatGPT or another AI assistant, use the following prompt to make the most of your learning experience:
---
### Suggested Prompt
**You are an AI teacher, tasked with teaching me the syntax of a programming language while guiding me through building a project of my choice. As a complete beginner and 10 years old, assume I know nothing about programming.**
#### Important Note: Provide code one line at a time, not as a block. After explaining each line, ask me, "Do you understand?" and wait for my response before moving forward. Here are the detailed instructions:
- Specify exactly where to type each line (start of the file, inside a function, etc.).
- Describe the purpose of each line in the context of the program.
-For every line of code, write two comments
***1. Explaining the code, in comment form***
***The purpose for this code as it pertains to the program, in comment form***
- Add concise comments next to each line for clarity and explain the concepts, data types, structures, and their alternatives.
**Break down the syntax character by character or keyword by keyword, explaining how each line connects to previous ones.**
- Involve me in hands-on typing, providing specific guidance on where to place the code and gently correcting mistakes.
- Offer positive feedback for each successful step.
---
### Copy and Paste the Project Details Into the Prompt
When starting a project, copy and paste the following details (adjusted to your project) into the AI along with the prompt above:
#### Example:
**Book Tracker**
- **Technologies:**
- Core Java (basic syntax, loops, and conditionals).
- Console input/output (Scanner class).
- Array for storing book titles.
- **Goal:** Learn basic Java programming, loops, and handling user input/output.
Once you paste the project details, the AI will guide you step-by-step based on the prompt. Be prepared to learn and have fun coding!
---
## Setting Up Your Programming Environment
Follow these instructions to set up your coding environment and start your projects:
### 1. Download an IDE
We recommend **[Visual Studio Code (VS Code)](https://code.visualstudio.com/)**:
- Visit the official website and download the version for your operating system (Windows or macOS).
- Follow the installation instructions provided on the website.
### 2. Create a Folder for Your Project
- **On Windows:**
1. Open "File Explorer" by clicking on the folder icon in the taskbar or pressing `Windows + E`.
2. Navigate to the location where you want to create the folder (e.g., Desktop or Documents).
3. Right-click in the blank area and select **New > Folder**. Name the folder (e.g., `MyProject`).
- **On macOS:**
1. Open "Finder" by clicking the smiley face icon in the Dock.
2. Navigate to the location where you want to create the folder (e.g., Desktop or Documents).
3. Right-click (or Control + Click) in the blank area and select **New Folder**. Name the folder (e.g., `MyProject`).
### 3. Open the Folder in VS Code
- **Option 1:** Drag the folder into the VS Code window.
- **Option 2:** Open VS Code and:
1. Click **File > Open Folder** in the top menu.
2. Navigate to your project folder, select it, and click **Open**.
---
## How to Open a File
### On Windows:
1. **Locate the File:**
- Open "File Explorer" by clicking the folder icon in the taskbar or pressing `Windows + E`.
- Navigate to the file's location (e.g., Documents or Downloads).
2. **Open the File:**
- Double-click the file to open it in its default program.
- To open it in a specific program:
- Right-click on the file.
- Select **Open with** and choose your desired program.
3. **Open in VS Code:**
- Open VS Code.
- Click **File > Open File**.
- Navigate to the file's location, select it, and click **Open**.
### On macOS:
1. **Locate the File:**
- Open "Finder" by clicking the smiley face icon in the Dock.
- Navigate to the file's location (e.g., Documents or Downloads).
2. **Open the File:**
- Double-click the file to open it in its default program.
- To open it in a specific program:
- Right-click (or Control + Click) on the file.
- Select **Open With** and choose your desired program.
3. **Open in VS Code:**
- Open VS Code.
- Click **File > Open File**.
- Navigate to the file's location, select it, and click **Open**.
---
## Next Steps: Start Building Projects
### How to Start Building:
1. **Choose a Project:** Select a project or lab idea from this guide or one you want to work on.
2. **Identify the Goal:** Write down the goal of the project (e.g., "Build a calculator in Python").
3. **Technologies to Use:** Note the technologies or languages required for the project (e.g., Python, JavaScript).
4. **Use the AI Prompt:** Copy the suggested prompt above and use it with ChatGPT or another AI assistant to guide you through the project step-by-step.
5. **Write Code:** Start writing your code while following the AI's explanations.
---
## Notes for Beginners
- **Take Your Time:** Understanding each line of code is more important than rushing to finish a project.
- **Ask Questions:** If you don’t understand a step, ask for clarification before moving forward.
- **Experiment:** Try modifying your code to see what happens. Learning through experimentation is key to understanding.
---
Happy coding, and good luck with your projects! 🚀
---
## **Phase 1: Foundational Projects**
### **1. Welcome to Banking**
- **Goal:** Write a program to print "Welcome to Banking" and introduce variables for account balance and name.
- **Skills:** Basic Java syntax, variables, and data types.
### **2. User Input and Output**
- **Goal:** Prompt the user for their name and account balance, then display them.
- **Skills:** Console input/output using `Scanner`.
### **3. Account Balance Check**
- **Goal:** Check if a user’s account balance is above or below a minimum threshold.
- **Skills:** Conditional statements (if-else).
### **4. Adding Fixed Deposits**
- **Goal:** Implement a loop to add 5 fixed deposits to the balance iteratively.
- **Skills:** Loops (for and while).
### **5. Personalized Welcome**
- **Goal:** Format account holder details and print a personalized welcome message.
- **Skills:** String operations (concatenation, substring).
### **6. Input Validation**
- **Goal:** Handle invalid inputs (e.g., non-numeric account balance).
- **Skills:** Exception handling with try-catch blocks.
---
## **Phase 2: Array and Data Storage**
### **7. Store Account Balances**
- **Goal:** Store account balances for 5 users and calculate the total balance.
- **Skills:** Arrays.
### **8. Search for an Account**
- **Goal:** Find an account by name from a list of users.
- **Skills:** Linear search algorithm with arrays.
### **9. Sort Account Balances**
- **Goal:** Sort account balances in ascending order.
- **Skills:** Sorting algorithms.
### **10. Multi-User Data Storage**
- **Goal:** Store multiple details (name, account balance) for 5 users using a 2D array.
- **Skills:** Multi-dimensional arrays.
---
## **Phase 3: Collections Framework**
### **11. Dynamic Account Storage**
- **Goal:** Replace static arrays with ArrayList for storing user balances.
- **Skills:** ArrayList initialization and dynamic storage.
### **12. Display All Accounts**
- **Goal:** Iterate through an ArrayList and display all account balances.
- **Skills:** Iterating over ArrayLists with for-each loops.
### **13. Remove Zero Balances**
- **Goal:** Remove an account balance from the list if it’s zero.
- **Skills:** ArrayList removal operations.
### **14. Search Accounts Dynamically**
- **Goal:** Check if an account exists in the ArrayList using the account name.
- **Skills:** ArrayList search with `contains`.
### **15. Sort Dynamic Accounts**
- **Goal:** Sort account balances dynamically using Collections.sort().
- **Skills:** Sorting ArrayLists.
### **16. Map User Data**
- **Goal:** Store user names as keys and balances as values in a HashMap.
- **Skills:** HashMap (key-value mapping).
### **17. Display User Details**
- **Goal:** Iterate over a HashMap and display all user names and their balances.
- **Skills:** Iterating through a HashMap.
### **18. Find User Balance**
- **Goal:** Search for a user’s balance using their name as the key.
- **Skills:** HashMap search with `containsKey`.
---
## **Phase 4: Object-Oriented Programming**
### **19. Create a User Class**
- **Goal:** Define a `User` class with fields for name and balance.
- **Skills:** Basic class creation and object instantiation.
### **20. Add Constructors**
- **Goal:** Use constructors to initialize user details.
- **Skills:** Writing and using class constructors.
### **21. Encapsulation Basics**
- **Goal:** Use getters and setters to securely access user details.
- **Skills:** Encapsulation.
### **22. Subclass for Premium Users**
- **Goal:** Create a `PremiumUser` subclass with additional perks.
- **Skills:** Class inheritance.
### **23. Override User Methods**
- **Goal:** Override a method to display user details for both `User` and `PremiumUser`.
- **Skills:** Polymorphism and method overriding.
### **24. Define Banking Behaviors**
- **Goal:** Create a `BankingOperations` interface with methods like `deposit` and `withdraw`.
- **Skills:** Interfaces.
---
## **Phase 5: Transactions and Logging**
### **25. Log Transactions**
- **Goal:** Record deposits and withdrawals for a user in an ArrayList.
- **Skills:** Logging transactions using ArrayLists.
### **26. Timestamp Transactions**
- **Goal:** Add timestamps to transactions using LocalDateTime.
- **Skills:** LocalDateTime.
### **27. Save Transactions to File**
- **Goal:** Save transaction logs to a text file for future reference.
- **Skills:** File handling (writing to files).
### **28. Load Transactions from File**
- **Goal:** Read transaction logs from a file and display them.
- **Skills:** File handling (reading from files).
### **29. Save User Data**
- **Goal:** Serialize and save `User` objects with their balances.
- **Skills:** Object serialization.
### **30. Find Specific Transactions**
- **Goal:** Search for a specific transaction in the log by amount.
- **Skills:** Search algorithms applied to transaction data.
---
## **Phase 6: Security and User Authentication**
### **31. Validate Password Strength**
- **Goal:** Validate user passwords for strength (minimum length, special characters) using Regular Expressions.
- **Skills:** Regular Expressions (regex).
### **32. Hash User Passwords**
- **Goal:** Hash passwords securely using `MessageDigest`.
- **Skills:** Password hashing.
### **33. Build a Secure Login System**
- **Goal:** Authenticate users by verifying their hashed passwords during login.
- **Skills:** Secure login with password hashing.
### **34. Multi-User System**
- **Goal:** Allow multiple users to log in and manage their accounts using HashMap for user management.
- **Skills:** Managing multiple users with HashMap.
### **35. Encrypt Sensitive Data**
- **Goal:** Encrypt sensitive data like account details using AES encryption.
- **Skills:** AES encryption.
### **36. Generate Session Tokens**
- **Goal:** Secure user sessions by generating unique tokens for each session.
- **Skills:** Secure random number generation.
### **37. Multi-Threaded Security**
- **Goal:** Use multi-threading to handle concurrent user logins securely.
- **Skills:** Multi-threading for secure operations.
### **38. User Logout System**
- **Goal:** Implement a system that allows users to securely log out and terminate their sessions.
- **Skills:** Session management.
---
### **Phase 6 Focus**
This phase emphasizes **security** and **authentication**, introducing real-world practices like password hashing, encryption, and multi-threading. These projects set the stage for integrating secure systems with data persistence and advanced UI enhancements.
===
## **Phase 7: Data Persistence and Advanced Interactions**
### **39. Connect to a Database**
- **Goal:** Establish a connection to a MySQL database using JDBC.
- **Skills:** JDBC basics.
### **40. Save User Data to Database**
- **Goal:** Save user account details (name, balance, password hash) to a database.
- **Skills:** Writing SQL queries and inserting data using JDBC.
### **41. Retrieve User Data from Database**
- **Goal:** Query the database to retrieve account details for a specific user.
- **Skills:** Writing and executing SQL SELECT queries.
### **42. Prevent SQL Injection**
- **Goal:** Use prepared statements to securely handle user inputs during database operations.
- **Skills:** Prepared statements.
### **43. Optimize Database Performance**
- **Goal:** Implement connection pooling to handle multiple database connections efficiently.
- **Skills:** Connection pooling.
### **44. Advanced Transaction Logging**
- **Goal:** Store transaction logs directly in the database with timestamps.
- **Skills:** Writing and querying SQL for transaction logs.
### **45. Implement Advanced Sorting**
- **Goal:** Sort users by multiple attributes (e.g., name, balance) using Comparator and Comparable.
- **Skills:** Advanced sorting with Java.
### **46. Search with Filters**
- **Goal:** Implement a system to search for users or transactions with multiple filters (e.g., date range, amount).
- **Skills:** Dynamic filtering and querying.
### **47. Export Data to CSV**
- **Goal:** Export user details and transaction logs to a CSV file for external use.
- **Skills:** File handling with CSV.
### **48. Import Data from CSV**
- **Goal:** Load user details from a CSV file into the database or application memory.
- **Skills:** File parsing and database integration.
---
## **Phase 7 Focus**
This phase introduces **data persistence** with databases and explores advanced data interactions. It covers database security, optimization, and integration with the existing system. By the end of this phase, you'll have a fully functional banking system with secure and persistent data management.
# Revised Plan Overview for Library Management System: Technology Roadmap
## **1. Book Tracker (Part 1)**
### **Technologies:**
- Core Java (basic syntax, loops, and conditionals).
- Console input/output (Scanner class).
### **Goal:**
Learn how to take user input and store a fixed list of book titles using loops and basic console input/output.
---
## **2. Book Tracker (Part 2)**
### **Technologies:**
- Core Java.
- Arrays (fixed-size storage for book titles).
### **Goal:**
Expand the functionality of the **Book Tracker** to store book titles in an array and allow users to:
- Add a new book.
- Display the list of books.
---
## **3. Book Manager (Part 1)**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
### **Goal:**
Transition from arrays to **ArrayList** for dynamic book storage, allowing the addition of unlimited book titles and dynamic resizing.
---
## **4. Book Manager (Part 2)**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- Strings (for managing book attributes like titles and authors).
### **Goal:**
Extend the **Book Manager** to:
- Associate a title with an author.
- Allow searching for a book by its title.
---
## **5. Member Tracker (Part 1)**
### **Technologies:**
- Core Java.
- Object-Oriented Programming (OOP).
- Classes and Objects (to model library members).
### **Goal:**
Introduce basic **OOP concepts** by creating a `Member` class with properties like `name` and `ID`, and managing members using an ArrayList.
---
## **6. Member Tracker (Part 2)**
### **Technologies:**
- Core Java.
- Object-Oriented Programming (OOP).
- Generics (to ensure type safety for member data storage).
### **Goal:**
Expand the **Member Tracker** to:
- Add methods for adding, removing, and listing members.
- Utilize **Generics** to make the member storage type-safe.
---
# Summary of Smaller Projects
1. **Book Tracker (Part 1):** Basics of user input and loops.
2. **Book Tracker (Part 2):** Arrays for static book storage.
3. **Book Manager (Part 1):** Introduce dynamic storage using ArrayList.
4. **Book Manager (Part 2):** Add book attributes and basic search functionality.
5. **Member Tracker (Part 1):** Introduce OOP with the `Member` class.
6. **Member Tracker (Part 2):** Enhance with Generics for type-safe member management.
### **How It Builds:**
- **Book Tracker (Parts 1 & 2):** Start with basic concepts and static arrays.
- **Book Manager (Parts 1 & 2):** Transition to dynamic data structures and incorporate more advanced book management.
- **Member Tracker (Parts 1 & 2):** Introduce OOP and safe data handling for member management, setting the stage for more complex systems.
---
## **Enhanced Book Manager**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- Intermediate OOP (defining and using multiple classes).
- Annotations (for metadata on classes like `@Override` for clarity and consistency).
### **Goal:**
Expand OOP by associating additional properties (author, genre) with books and managing them as objects while learning to use annotations effectively.
---
## **Library System Base**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- Intermediate OOP.
- Menu-driven console programming.
- Interfaces (to define common behaviors for books and members).
### **Goal:**
Combine books and members into a unified system with an interactive console-based menu and standardized behaviors using interfaces.
---
## **Transaction Tracker**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- Advanced OOP (associations between classes).
- Inner Classes (for encapsulating transactional details).
### **Goal:**
Introduce transactions by associating members with book borrowing/returning functionality, reinforcing OOP principles and encapsulation using inner classes.
---
## **Persistent Library System**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- File Handling (Reading/Writing to `.txt` files).
- Serialization (to save and retrieve complex objects efficiently).
### **Goal:**
Add persistence to the system by saving and loading books/members from files using serialization for a structured approach.
---
## **Advanced Library System**
### **Technologies:**
- Core Java.
- Collections Framework (HashMap, ArrayList).
- Concurrency (to handle simultaneous operations like member queries and book updates).
- Comparator (for advanced sorting of books or members based on multiple attributes).
### **Goal:**
Use advanced data structures like HashMap for efficient book and member management, while introducing concurrency for multitasking.
---
## **Interactive Library System**
### **Technologies:**
- Core Java.
- Collections Framework (HashMap, ArrayList).
- Sorting and Searching Algorithms.
- Regular Expressions (for validating input data like ISBN or member IDs).
### **Goal: **
Enhance the system's usability by adding search, sort, and filter functionalities with an interactive console, incorporating validation using regular expressions.
---
# Plan Overview for Online Banking System: Technology Roadmap
### **Technology Roadmap (First 5 smaller projects)**
## **1. Basic Account Creator**
### **Technologies:**
- Core Java.
- Console input/output (Scanner).
- Strings (to handle account details like name and account number).
### **Goal:**
Learn to create a simple account using basic input/output.
- Prompt the user for account details (name, account number).
- Display the entered account information.
---
## **2. Enhanced Account Manager**
### **Technologies:**
- Core Java.
- Console input/output (Scanner).
- Arrays (for storing account information).
- Exception Handling (to handle invalid input).
### **Goal:**
Expand on the **Basic Account Creator** to:
- Store multiple accounts using arrays.
- Add functionality to view all accounts.
- Handle invalid input gracefully.
---
## **3. Dynamic Account Storage**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- Generics (to ensure type-safe operations).
### **Goal:**
Transition from arrays to **ArrayList** for dynamic account storage.
- Add functionality to add, update, and remove accounts.
- Ensure type-safe operations using generics.
---
## **4. Transaction Tracker**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- LocalDateTime (to log transaction timestamps).
### **Goal:**
Extend the **Dynamic Account Storage** to include transaction tracking.
- Add functionality to log deposits and withdrawals for each account.
- Track transaction timestamps using **LocalDateTime**.
- Display a transaction history for each account.
---
## **5. Multi-User Login System**
### **Technologies:**
- Core Java.
- Basic OOP (creating and managing objects).
- Collections Framework (HashMap for user management).
- Password Hashing (using `MessageDigest`).
### **Goal:**
Add user management and authentication functionality.
- Create a `User` class with properties like username and hashed password.
- Store user credentials in a **HashMap**.
- Implement a secure login system using password hashing.
---
## **Summary of Smaller Projects**
1. **Basic Account Creator:**
- Focuses on learning the basics of Java and user input/output.
- Introduces Strings for handling account details.
2. **Enhanced Account Manager:**
- Introduces arrays to manage multiple accounts.
- Teaches basic error handling to manage invalid input.
3. **Dynamic Account Storage:**
- Transitions from arrays to **ArrayList** for scalable account management.
- Reinforces the use of generics for type-safe collections.
4. **Transaction Tracker:**
- Adds functionality for logging and tracking deposits/withdrawals.
- Introduces timestamps using **LocalDateTime** for transaction history.
5. **Multi-User Login System:**
- Introduces user management with **OOP** and secure password handling.
- Uses **HashMap** to manage multiple user accounts.
- Implements password hashing for authentication.
---
### **How Skills Build:**
1. **Basic Account Creator:** Introduces basic Java programming and user interaction.
2. **Enhanced Account Manager:** Adds arrays and error handling for managing multiple accounts.
3. **Dynamic Account Storage:** Introduces modern Java collections with dynamic data structures.
4. **Transaction Tracker:** Adds real-world banking features like transaction history and timestamps.
5. **Multi-User Login System:** Implements secure multi-user management and authentication, building a strong foundation for more complex systems.
## **1. Account Tracker**
### **Technologies:**
- Core Java.
- Basic OOP (creating and managing objects).
- Console input/output (Scanner).
- Strings (for account details like name and account number).
- Exception Handling (to manage invalid input or errors).
### **Goal:**
Learn to create and display user accounts with basic Java programming, handling account details and basic error management.
---
## **2. Account Manager**
### **Technologies:**
- Core Java.
- Collections Framework (ArrayList).
- Streams (to filter and process account data).
- Lambda Expressions (for concise, functional operations).
- Generics (for type-safe operations on collections).
### **Goal:**
Add, update, and remove accounts dynamically using modern Java features and ensure type safety.
---
## **3. Transaction Logger**
### **Technologies:**
- Core Java.
- Basic OOP.
- Collections Framework (ArrayList).
- LocalDateTime (to log timestamps for transactions).
- Serialization (to save and load transaction logs).
### **Goal:**
Record deposits and withdrawals with transaction timestamps, ensuring logs can be saved and retrieved.
---
## **4. Secure Login System**
### **Technologies:**
- Core Java.
- Password Hashing (e.g., `MessageDigest`).
- File Handling (to store hashed passwords).
- Regular Expressions (to validate secure passwords).
- Exception Handling (to handle login errors).
### **Goal:**
Implement a secure login system to authenticate users, storing hashed passwords and enforcing strong password validation.
---
## **5. Multi-User Banking System**
### **Technologies:**
- Core Java.
- Intermediate OOP (handling multiple user accounts).
- Collections Framework (HashMap for user management).
- Interfaces (to define common behaviors for user accounts).
- File Handling (to load and save multiple user profiles).
### **Goal:**
Enable multiple user accounts to interact in a session, with data stored and retrieved efficiently.
---
## **6. Fund Transfer Module**
### **Technologies:**
- Core Java.
- Intermediate OOP.
- Collections Framework (HashMap for account lookups).
- Sorting and Searching Algorithms (to locate accounts efficiently).
- Exception Handling (to manage insufficient funds or invalid accounts).
### **Goal:**
Add functionality for transferring funds between accounts, handling potential errors and optimizing performance.
---
## **7. Persistent Banking System**
### **Technologies:**
- Core Java.
- JDBC (for database interaction).
- MySQL (for user and transaction data storage).
- Prepared Statements (to prevent SQL injection).
- Connection Pooling (for optimized database performance).
### **Goal:**
Store and retrieve user and transaction data using a database, with optimized performance and secure query handling.
---
## **8. Advanced Security Module**
### **Technologies:**
- Core Java.
- Multi-threading (to handle concurrent user sessions securely).
- Password Hashing (e.g., BCrypt or Argon2).
- Encryption (e.g., AES for sensitive data like account details).
- Secure Random Number Generation (for session tokens).
### **Goal:**
Enhance security using multi-threading, robust password storage techniques, and encryption for sensitive data.
---
## **9. Interactive Banking System**
### **Technologies:**
- Core Java.
- Console-based UI.
- Sorting and Searching Algorithms (to enhance user navigation).
- Regular Expressions (to validate user inputs like account numbers).
- LocalDateTime (to display transaction timestamps).
### **Goal:**
Build an interactive console-based system with menus for account management and transactions, incorporating advanced sorting, validation, and transaction history timestamps.
---
## Plan Overview for E-Commerce Platform: Technology Roadmap
-
Product Manager
Technologies:
- Core Java.
- Collections Framework (
ArrayList).
Goal: Build a module to add, display, and update products.
-
Order Tracker
Technologies:
- Core Java.
- Collections Framework (
ArrayList).
Goal: Implement a system to track orders and their statuses.
-
User Registration
Technologies:
- Core Java.
- Basic Validation.
Goal: Create a user registration system with basic validation.
-
Authentication Module
Technologies:
- Spring Boot.
- Hibernate.
Goal: Add user login functionality using Spring Boot and Hibernate.
-
Basic E-Commerce Backend
Technologies:
- Spring Boot.
- Hibernate.
Goal: Combine product, order, and user modules into a basic backend.
-
REST API Integration
Technologies:
- Spring Boot.
- REST APIs.
Goal: Implement REST APIs for managing products, orders, and users.
-
Database Integration
Technologies:
- Spring Boot.
- Hibernate.
Goal: Use Hibernate for managing database operations.
-
Advanced Product Management
Technologies:
- Spring Boot.
- Hibernate.
- Collections Framework.
Goal: Add features like categories, discounts, and inventory tracking.
-
Interactive Console
Technologies:
- Core Java.
- Console-based UI.
Goal: Build a console-based user interface to test backend functionality.
---
## Plan Overview for Chat Application: Technology Roadmap
-
Basic Chat Module
Technologies:
- Core Java.
- Console input/output (
Scanner).
Goal: Build a simple console-based messaging system.
-
User Management
Technologies:
- Core Java.
- Basic OOP (creating and managing user accounts).
Goal: Implement user creation and authentication functionality.
-
Single-User Messaging
Technologies:
- Core Java.
- Basic OOP.
Goal: Allow one-on-one messaging functionality between users.
-
Multi-User Messaging
Technologies:
- Core Java.
- Intermediate OOP (handling multiple users).
Goal: Add support for group chats with multiple participants.
-
Socket Integration
Technologies:
- Core Java.
- Sockets.
Goal: Use sockets for real-time communication between users.
-
Message Persistence
Technologies:
- Core Java.
- JDBC.
- MySQL.
Goal: Store chat histories in a database for persistence.
-
Multi-Threading Module
Technologies:
- Core Java.
- Multi-threading.
Goal: Add multi-threading to handle concurrent messaging between users.
-
Advanced Chat Features
Technologies:
- Core Java.
- Sockets.
- Intermediate OOP.
Goal: Include features like read receipts, typing indicators, and user statuses.
-
Interactive Chat Console
Technologies:
- Core Java.
- Console-based UI.
Goal: Build a user-friendly console interface for chat functionalities.
---
###
Final Project: Chat Application
Technologies:
- Core Java.
- Sockets.
- Networking.
- Multi-threading.
Goal: A real-time messaging app using sockets, networking, and multi-threading.
---
Stay tuned for updates as we work through each project step by step, preparing for the final challenge!