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CodeHS Practice Problems

Get familiar with coding using our Practice Problems.

Java Practice Problems

ArrayLists

LEVEL 3

Practice: 5pts - Unopened Average Value

Practice: 3pts - Unopened Shift Elements to the Right

Practice: 5pts - Unopened Compute Mode

Practice: 5pts - Unopened All Dogs

Practice: 5pts - Unopened Consecutive Pairs

Practice: 5pts - Unopened Duplicates

Practice: 5pts - Unopened Count Odd

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