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Practice

FRQ ArrayList lab

⭐⭐⭐ advanced~60 min of coding5 challenges

Object aggregation, token guards, backward removal, helper composition, first-match.

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What you will practice

  1. Q3: filter and aggregate⭐⭐ intermediate
  2. Q3: token obligations⭐⭐ intermediate
  3. Q3: object removal⭐⭐ intermediate
  4. Q3: helper + consumer⭐⭐ intermediate
  5. Q3: first match index⭐⭐ intermediate

Need the concept first? Re-read the lesson.