Java 8 Streams - LongStream.max Examples

[Last Updated: Nov 8, 2025]

Interface:

java.util.stream.LongStream

Method:

OptionalLong max()

This terminal operation returns an OptionalLong describing the maximum element of this stream, or an empty optional if this stream is empty. This is a special case of a reduction.

Examples

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);
    }
}

Java 8 Streams - LongStream.max Examples

Interface:

Method:

Examples

Output

See Also