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Hibernate’s second-level cache does NOT store complete Java object graphs. It stores entity state in a relational, disassembled form that closely mirrors the database. 🔍 🔸 TL;DR A cache entry typically contains: ▪️ A key identifying the entity type and ID ▪️ A tuple of persistent...

🔸 TL;DR Immutable data is data that represents the SAME fact over time. Not “an object with zero fields changing internally.” Not “everything is final, so we are safe.” But: ▪️ same meaning ▪️ same observable result ▪️ safer sharing ▪️ easier reasoning ▪️ better fit for...

AI can generate code. Sometimes very good code. But clients do not only pay developers to type code. They pay them to handle ambiguity, responsibility, tradeoffs, maintenance, and production reality. ⚙️ So here is the question: What is the most relevant reason clients won’t fully...