📋 Simple Java To-Do App (CLI)

A minimal, fast, and persistent command-line To-Do manager written in pure Java.
No frameworks, no GUIs, just clean Java 11+ code.

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✨ Features

• ➕ Add tasks with optional due date, priority, and tags
• 📋 List tasks (all, open, done) with sorting options
• ✅ Mark tasks as done/undone
• 📝 Edit tasks inline (title, due date, tags, priority)
• ❌ Delete tasks or clear all completed ones
• 🔍 Search by title or tags
• 💾 Persistent storage in a simple tasks.tsv file

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🚀 Getting Started

1. Compile

javac TodoApp.java

2. Run

java TodoApp

===== Simple CLI To-Do =====

Storage: tasks.tsv

Commands:

  add <title> [/due yyyy-mm-dd] [/p low|med|high] [/tags tag1,tag2]
  list [all|open|done] [/sort id|due|prio] [/rev]
  done <id>      — mark complete
  undone <id>    — mark incomplete
  edit <id> [/t new title] [/due yyyy-mm-dd|none] [/p low|med|high] [/tags list|none]
  del <id>       — delete task
  search <text>  — find in titles or tags
  clear          — remove all completed tasks
  save           — persist now (auto-saves on exit)
  exit           — save & quit

> add Buy milk /due 2025-08-30 /p high /tags shopping,urgent
Added #1: Buy milk

> list all
ID   ✔  Due        Prio   Title                 Tags
-------------------------------------------------------------
1       2025-08-30 HIGH   Buy milk              shopping,urgent

### Storage Format
tasks are stored in a simple TSV file tasks.tsv for easy reading/editing:
```shell
# id   done   priority   due        title         tags
1      0      HIGH       2025-08-30 Buy milk      shopping,urgent

🔧 Tech Stack

• Java 11+

• Pure CLI (no GUI, no Maven)

• Data persistence via plain text files

🤝 Contributing

• Fork this repo 🍴

• Create your feature branch 🔨

git checkout -b feature/new-feature

• Commit changes 🎉

git commit -m "Add new feature"

• Push branch 🚀

git push origin feature/new-feature

• Open a Pull Request ✅

📜 License

This project is licensed under the MIT License – feel free to use, modify, and share.

💡 “Organize today, achieve tomorrow.”