17 lines
471 B
Plaintext
17 lines
471 B
Plaintext
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import java.util.List;
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import java.util.ArrayList;
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import java.lang.Integer;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import java.util.Optional;
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public class Bug309 {
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public main() {
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List<Integer> list = new ArrayList<>(List.of(1,2,3,4,5,6,7,8,9));
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var res = list.stream().filter(x -> x == 5).map(x -> x * 2).findFirst();
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return res;
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}
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}
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