TODO List Console Application A simple, interactive console-based TODO manager built in C# as part of the Ultimate C# Masterclass Assignment.
📋 Overview This application allows users to manage their TODO items through a command-line interface. Each TODO consists of a unique description that can be added, viewed, or removed from the collection.
✨ Features Add TODOs: Create new TODO items with unique descriptions View TODOs: Display all current TODO items in a numbered list Remove TODOs: Delete specific TODO items by index Input Validation: Handles empty inputs, duplicates, and invalid selections Case-Insensitive Commands: Accepts both uppercase and lowercase menu options
🚀 Getting Started Prerequisites .NET Framework or .NET Core/5+ Any C# IDE (Visual Studio, VS Code, Rider, etc.)
Installation Clone the repository: bash git clone https://github.com/yourusername/todo-console-app.git Navigate to the project directory: bash cd todo-console-app Build the project: bash dotnet build Run the application: bash dotnet run
🎮 Usage When you start the application, you'll see the main menu:
Hello! What do you want to do? [S]ee all TODOs [A]dd a TODO [R]emove a TODO [E]xit Menu Options [S] See all TODOs Displays all current TODO items in a numbered list Shows "No TODOs have been added yet." if the list is empty Example output:
- Order a cake for the birthday party.
- Buy train tickets for the weekend.
- Take Lucky to the vet. [A] Add a TODO Prompts for a TODO description Validates that the description is not empty Ensures the description is unique Confirms successful addition Example interaction:
Enter the TODO description:
Buy groceries TODO successfully added: Buy groceries [R] Remove a TODO Shows the current list of TODOs with indices Prompts for the index of the TODO to remove Validates the input and removes the selected item Confirms successful removal Example interaction:
Select the index of the TODO you want to remove:
- Buy groceries
- Walk the dog
1 TODO removed: Buy groceries [E] Exit Closes the application 🔧 Input Validation The application handles various input scenarios:
Empty inputs: Prompts the user to try again Invalid menu options: Shows "Incorrect input" message Duplicate TODO descriptions: Prevents adding non-unique items Invalid indices: Validates removal selections Case sensitivity: Accepts both uppercase and lowercase commands
🏗️ Project Structure TodoConsoleApp/ ├── Program.cs # Main application entry point ├── TodoManager.cs # Core TODO management logic ├── README.md # Project documentation └── TodoConsoleApp.csproj # Project configuration
🧪 Example Session Hello! What do you want to do? [S]ee all TODOs [A]dd a TODO [R]emove a TODO [E]xit
a
Enter the TODO description:
Buy milk TODO successfully added: Buy milk
What do you want to do? [S]ee all TODOs [A]dd a TODO [R]emove a TODO [E]xit
s
- Buy milk
What do you want to do? [S]ee all TODOs [A]dd a TODO [R]emove a TODO [E]xit
e
🤝 Contributing This is an educational project, but contributions are welcome! Please feel free to:
Fork the repository Create a feature branch Make your changes Submit a pull request 📝 License This project is part of the Ultimate C# Masterclass and is intended for educational purposes.
🎯 Learning Objectives This project demonstrates:
Console I/O operations Input validation and error handling Collection management (List operations) Control flow and menu-driven programming String manipulation and comparison User experience design in console applications Built with ❤️ as part of the Ultimate C# Masterclass