HashMap vs Hashtable in Java – Key Differences Explained! #datastructures #dsa #hashmap #hashtable

Confused between HashMap and Hashtable in Java? 🤔
Here’s a quick comparison:

✅ HashMap – Fast, but not thread-safe
🔒 Hashtable – Thread-safe, but slower

Also: HashMap allows nulls, Hashtable doesn’t!
Learn when to use what — with code demo! 💻

#Java #HashMap #Hashtable #JavaCollection #DSA #JavaTips #JavaShorts