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Practice

Object model drills

⭐⭐⭐ advanced~45 min of coding3 challenges

Trace initialization by execution, design exhaustive sealed dispatch, and seal every aliasing leak.

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What you will practice

  1. Predict the initialization sequence⭐⭐⭐ advanced
  2. Sealed hierarchy with exhaustive dispatch⭐⭐⭐ advanced
  3. Make the aliasing bug impossible⭐⭐⭐ advanced

Need the concept first? Re-read the lesson.