README.md

MemoryDB Java CLI

Thread-safe in-memory key–value database built in Java with TTL support, background cleanup thread, and command-line interface.

Features

• ConcurrentHashMap storage
• TTL expiration
• Background cleanup thread
• Custom exceptions
• Command parser
• CLI interface

Run

Run Main.java in IntelliJ.

Commands

PUT key value ttl GET key DELETE key SIZE KEYS CLEAR STATUS CLEANUP HELP EXIT