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annnz45
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Java. Immutable objects, final keyword.

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- "Hipparcos"
Answered at least once on all free questions in "Immutable objects, final keyword" chapter of "Java" course.

- "Rigil Kentaurus"
Answered at least once correctly on all free questions in "Immutable objects, final keyword" chapter of "Java" course.

- "Toliman"
Completed free "Immutable objects, final keyword" chapter of "Java" course.

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