🔍 Mini Search Engine (Java - Console Based)

🚀 About the Project

This is a console-based mini search engine built using Java.
It demonstrates how search systems work internally using an inverted index and keyword-based lookup.

The system allows users to add documents and search for keywords efficiently with ranked results.

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🔥 Features

• Add documents with title and content
• Keyword-based search
• Inverted index using HashMap
• Ranking system based on word frequency
• Multi-document search results
• Console-based user interaction

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🧠 What I Implemented

• Used HashMap to build an inverted index
• Stored data as:
  word → (document → frequency)
• Implemented keyword search with fast lookup
• Added ranking logic based on frequency count
• Handled multiple documents and dynamic input

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⚙️ Tech Stack

• Java
• Collections Framework (HashMap, List)
• OOP Concepts

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📸 Sample Output

==== MINI SEARCH ENGINE ====

1. Add Document
2. Search Document
3. Exit 1 Title: Java Guide Enter Content: Java is easy Document Added!..

==== MINI SEARCH ENGINE ====

1. Add Document
2. Search Document
3. Exit 1 Title: Spring Enter Content: Java is powerful Document Added!..

==== MINI SEARCH ENGINE ====

1. Add Document
2. Search Document
3. Exit 2 Search Keyword: java Search Results (By Ranked): Java Guide (score: 2) Spring (score: 1)

==== MINI SEARCH ENGINE ====

1. Add Document
2. Search Document
3. Exit 2 Search Keyword: spring Search Results (By Ranked): Spring (score: 1)

==== MINI SEARCH ENGINE ====

1. Add Document
2. Search Document
3. Exit 3 Exiting...