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📜 WAYPOINT LESSON

Checkpoint: GC and memory

⭐⭐⭐ advanced⏳ 12 min read📍 Lesson 216 of 265

Synthesis: measure allocations, prove a weak-reference lifetime, and count collections.

Checkpoint: GC and memory

The graded task instruments allocation precisely (thread-local bytes), exposes collection counters, and proves object death through the helper-method weak- reference pattern. Practice walks the event-leak root chain and the ArrayPool rent/return discipline with a no-allocation assertion.