Java 8 Streams Java Java API
java.util.stream.IntStream
int sum()
Returns the sum of elements in this stream. This is a special case of a reduction
package com.logicbig.example.intstream;import java.util.stream.IntStream;public class SumExample5 { public static void main(String... args) { int sum = IntStream.range(1, 5) .filter(i -> i % 2 == 0) .sum(); System.out.println(sum); }}
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