Java Notes App – File I/O Practice

Objective

Create a text-based Notes Manager that allows users to:

• Write notes to a file.
• Read notes from a file.

Tools Used

• Java
• VS Code
• Terminal/Command Prompt

Key Concepts Covered

• File Input and Output using FileWriter, FileReader, and BufferedReader
• Exception Handling with try-catch
• Using loops and user input with Scanner

📂 Files

• NotesApp.java: Main Java file that runs the notes app.
• notes.txt: File created automatically to store notes.

▶️ How to Run

1. Open terminal or VS Code terminal.
2. Compile the Java file:
3. Run the app:
4. Choose:

• 1 to write a new note
• 2 to view all saved notes
• 3 to exit

Learning Outcome

You will learn:

• How to persist user data in a file using Java.
• How to handle input/output exceptions properly.
• The basics of building a text-based application.