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Hi evgeny.kurilenko (and g964),
Short answer: replace "Arrays" with "java.util.Arrays"
Long answer: This issue is caused because the compiler can't find the "java.util" needed for Arrays. If "import java.util.Arrays" doesn't work, then you can replace "Arrays" with "java.util.Arrays".
Nothing to fix: I tried a few solutions and had no problem. 1178 guys passed the Java kata.