🧩 Task Tracker CLI

https://roadmap.sh/projects/task-tracker

A simple Java Command Line Interface (CLI) application to manage tasks. It supports adding, listing, updating, deleting, and marking tasks as in progress or done. Data is stored in a local JSON file (tasks.json) so it persists between sessions.

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🚀 Features

• ➕ Add tasks with a description
• 📋 List all tasks or filter by status (todo, in-progress, done)
• ✏️ Update a task description
• 🗑️ Delete tasks by ID
• ✅ Mark tasks as in-progress or done
• 💾 Persistent storage in tasks.json

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✅ Requirements

• Java 17+
• Maven 3.8+

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▶️ Running the app

mvn -q exec:java

You will enter an interactive prompt:

Task Tracker CLI. Type 'help'.
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🧪 Usage

add "Read a book"
list
list todo
list in-progress
list done
update 2 "Read two books"
delete 3
mark-in-progress 2
mark-done 2
help

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🗂️ Project Structure

src/
  main/java/com/taskcli/
    Application.java           # Entry point
    cli/TaskApp.java           # Command parsing and routing
    model/Task.java            # Task entity
    domain/Status.java         # Task status enum
    repository/TaskRepository* # Storage interfaces and JSON impl
    service/TaskService*       # Business logic
tasks.json                     # Local storage (created/updated at runtime)
pom.xml                        # Maven config

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📌 Notes

• tasks.json is created/updated in the project root when you run the CLI.
• Status values are stored as TODO, IN_PROGRESS, and DONE in JSON.