Give your AP Computer Science A students focused practice tracing through ArrayList programs. ArrayList is a favourite topic on the AP CS A exam and this worksheet covers every method students need to know — including the classic iteration trap that catches even strong students.

⭐ WHAT'S INCLUDED:

• 20 code tracing exercises across 4 sections
• Section A — add, get, remove, set, size
• Section B — Traversal, Modification & References
• Section C — Sorting, contains, indexOf, insert
• Section D — Advanced Operations & AP Challenges
• Full answer key with explanations — teacher use only

⭐ SKILLS COVERED:

• ArrayList methods: add, get, remove, set, size, contains, indexOf, isEmpty
• Traversal with for loop and enhanced for loop
• Safe removal during traversal (backwards loop)
• Collections.sort()
• ArrayList reference semantics
• Autoboxing: int and Integer
• removeIf with lambda expressions

⭐ PERFECT FOR:

• AP CS A Unit 7 practice
• FRQ preparation
• Bell ringers and warm-up activities
• Test and quiz review
• Sub plans

⭐ DETAILS:

• Grade level: 9–12
• Time: 40–60 minutes
• Format: Printable PDF — works digitally too
• Language: Java
• Answer key included on a separate page

This is Pack 7 of the AP CS A Code Tracing Series. Collect all 10 packs or grab the complete bundle!