Mini Search Engine

📌 Project Overview

The Mini Search Engine is a Java-based console application that enables users to search for keywords across multiple text files. It creates an inverted index using a HashMap to provide fast and efficient keyword searching.

🚀 Features

• Read multiple text files from a folder
• Build an inverted index using HashMap
• Fast keyword search
• Case-insensitive searching
• Removes punctuation for accurate results
• Display complete keyword index
• Menu-driven console interface

🛠️ Technologies Used

• Java
• HashMap
• HashSet
• Java Collections Framework
• File Handling
• String Processing
• Scanner

📂 Project Structure

Mini-Search-Engine/
│── Documents/
│   ├── file1.txt
│   ├── file2.txt
│   └── file3.txt
│
│── MiniSearchEngine.java
│── README.md

▶️ How to Run

1. Clone the repository

git clone https://github.com/your-username/Mini-Search-Engine.git

2. Open the project in VS Code or Eclipse.

3. Compile the program

javac MiniSearchEngine.java

4. Run the program

java MiniSearchEngine

📷 Sample Output

====== MINI SEARCH ENGINE ======

1. Search Keyword
2. Display Index
3. Exit

Enter Choice: 1

Enter Keyword: java

Keyword Found!
file1.txt
file3.txt

📖 Concepts Used

• HashMap
• HashSet
• File Handling
• BufferedReader
• String Processing
• Java Collections Framework

🔮 Future Enhancements

• Phrase Search
• Wildcard Search
• GUI using Java Swing/JavaFX
• PDF and Word document support
• Database Integration
• Auto Suggestions

👨‍💻 Author

Sai Sathwik Saini