This project is a Java console application created to practice Object-Oriented Programming (OOP) concepts such as classes, objects, methods and basic data handling.
It consists of two main parts:
A simple calculator that evaluates mathematical expressions written as strings.
Example input: 12 + 5 * 2
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The calculator parses the input and prints the calculated result to the console.
A small console-based notes system that allows the user to:
- Add notes
- Delete notes
- Filter notes by keywords
- Display all stored notes
All notes are managed through Java classes and stored in memory.
This project was created to:
- Practice clean class structure
- Understand how data flows between objects
- Work with logic, conditions and collections in Java
- Get comfortable with console-based applications
This is mainly a learning project and is still being improved.
- Java
- Object-Oriented Programming (OOP)
- Console I/O
Work in progress – used as a learning and practice project.