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🔸 TL;DR HotSpot made Java fast by using runtime profiling + JIT compilation to optimize the code you actually execute—often removing the cost of high-level abstractions—so you don’t have to write C++-style code to get great performance. 🚀 🔸 WHAT IS HOTSPOT JVM? HotSpot is the JVM...

🔸 TL;DR Dev consensus can lie. Users don’t think like programmers. Watch users attempt real tasks, and you’ll see the friction, the hidden assumptions, and the gap between what they say and what they need. 🔸 WHAT IS “PROGRAMMER CONSENSUS BIAS”? When devs (and sometimes PMs) agree...

🔸 TL;DR ▪️ If Java becomes “the new COBOL,” it might simply mean: it’s trusted for critical systems. ▪️ That’s not a roast. That’s a compliment. 🏆 🔸 THE “COBOL” LABEL: WHAT PEOPLE REALLY MEAN ▪️ “Old” doesn’t mean “bad” — it often means proven ✅ ▪️ COBOL has powered mission-critical...