Keyword Counter (Java)

A simple Java console application that counts how often predefined keywords appear in a given text.

Features

• Manual keyword input or file-based keywords (keywords.txt)
• Case-insensitive matching
• Input validation (no empty keywords)
• Reusable analysis loop
• Clean console output

Keyword file format

keywords.txt (optional):

Owl

apple

java

github

One keyword per line. Empty lines are ignored.

Usage

javac Main.java

java Main

Project structure

Main.java

KeywordCounter.java

keywords.txt (optional)

README.md

Notes

• Falls back to manual input if the file is missing or empty
• Designed as a learning project with focus on clean structure