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2.1 Heap vs Stack, TLABs & Escape Analysis
Topic Summary
Learn how JVM Thread Local Allocation Buffers (TLABs) eliminate lock contention and how Escape Analysis eliminates heap allocations.
What You Will Learn
• Contrast Stack frames (primitives, references) vs Heap objects.
• Understand TLABs (Thread-Local Allocation Buffers) for lock-free `new`.
• Explain Escape Analysis and Scalar Replacement.
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