Java CLI Programs

A repository containing command-line Java applications designed to practice core Java concepts and reinforce understanding of challenging programming topics.

Projects

1. TODO CLI Application

• Created Date: January 3rd, 2026
• Description: A task management command-line application that demonstrates OOP principles and data structure handling.
• Key Learnings:
  • Object-oriented programming (OOP) concepts
  • Working with ArrayList collections
  • Understanding the behavior of nextLine() after nextInt() in Scanner
• Source Code: View here

2. RunLength Encoding

• Created Date: Aug 23 2025
• Description: Demonstrates lossless compression using run-length encoding with a small CLI example.
• Key Learnings:
  • Implementing simple compression algorithms
  • Iterating and grouping consecutive characters
  • Using StringBuilder for efficient string manipulation
• Source Code: View here

3. Shannon Fano

• Created Date: Aug 23 2025
• Description: Builds variable-length prefix codes based on symbol probabilities via recursive partitioning.
• Key Learnings:
  • Calculating symbol frequencies and probabilities
  • Recursively partitioning sorted data to generate codes
  • Representing coding tables and visualizing outputs
• Source Code: View here