java-tutorials/java-streams/src/main/java/com/baeldung/stream/StreamApi.java

package com.baeldung.stream;

import java.util.List;
import java.util.stream.Stream;

public class StreamApi {

    public static String getLastElementUsingReduce(List<String> valueList) {
        Stream<String> stream = valueList.stream();
        return stream.reduce((first, second) -> second).orElse(null);
    }
    
    public static Integer getInfiniteStreamLastElementUsingReduce() {
        Stream<Integer> stream = Stream.iterate(0, i -> i + 1);
        return stream.limit(20).reduce((first, second) -> second).orElse(null);
    }
    
    public static String getLastElementUsingSkip(List<String> valueList) {
        long count = (long) valueList.size();
        Stream<String> stream = valueList.stream();
        return stream.skip(count - 1).findFirst().orElse(null);
    }

}