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CodeHS Practice Problems

Get familiar with coding using our Practice Problems.

Java Practice Problems

ArrayLists

LEVEL 2

Practice: 5pts - Unopened ArrayList Max

Practice: 5pts - Unopened ArrayList Min

Practice: 5pts - Unopened Reverse ArrayList

Practice: 5pts - Unopened ArrayList Swap First Last

Practice: 6pts - Unopened ArrayList Repeat

Practice: 8pts - Unopened ArrayList Element Repeat

Practice: 5pts - Unopened ArrayList Search

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