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👉 HashMap vs Hashtable in Java | Explained with Code | Java Collections in 60 Seconds ⚡

In this 60-second Java short, learn the real difference between HashMap and Hashtable — with clean code examples and professional explanations. Understand how synchronization, performance, and null handling make HashMap the better modern choice. 🔹 Topics Covered: HashMap vs Hashtable Thread safety & performance Null key/value support Why ...

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