package com.logicbig.example.longstream;
import java.util.OptionalLong;
import java.util.stream.LongStream;
public class MaxExample {
public static void main(String... args) {
LongStream stream = LongStream.of(4, 7, 9, 11, 13, 17);
OptionalLong max = stream.max();
long l = max.orElseGet(() -> -1);
System.out.println(l);
}
}