JavaExercises/Experiments/CrazyTask.java at master · biblelamp/JavaExercises · GitHub

21 lines (19 loc) · 608 Bytes

import java.util.*;

import java.util.function.*;

import java.util.stream.*;

class CrazyTask {

public static void main(String[] args) {

final int[] counters = { 0 };

List<Integer> source = Arrays.asList(0, 0, 1, 0, 1);

Supplier<Stream<Integer>> bytes = () -> source

.stream()

.filter(x -> {

counters[0]++;

return x > 0;

});

if (bytes.get().findFirst() == bytes.get().reduce((x, y) -> y))

System.out.println(counters[0]--);

else

System.out.println(counters[0]++);

}

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