package com.logicbig.example.collectors;
import java.math.BigDecimal;
import java.util.DoubleSummaryStatistics;
import java.util.LongSummaryStatistics;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class SummarizingLongExample {
public static void main (String[] args) {
Stream<BigDecimal> s = Stream.iterate(
BigDecimal.ONE, bigDecimal ->
bigDecimal.add(BigDecimal.ONE))
.limit(10).peek(System.out::println);
LongSummaryStatistics l = s.collect(Collectors.summarizingLong
(BigDecimal::longValue));
System.out.println(l);
}
}
Output
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LongSummaryStatistics{count=10, sum=55, min=1, average=5.500000, max=10}
Original Post