package com.baeldung.stream; import java.util.Arrays; import java.util.stream.IntStream; class PrimitiveStreams { int min(int[] integers) { return Arrays.stream(integers).min().getAsInt(); } int max(int... integers) { return IntStream.of(integers).max().getAsInt(); } int sum(int... integers) { return IntStream.of(integers).sum(); } double avg(int... integers) { return IntStream.of(integers).average().getAsDouble(); } }