Reduce to get the longest string
Description
The following code shows how to reduce to get the longest string.
Example
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
public class Main {
/*from w w w . java 2s . c om*/
public static void main(String[] args) {
List<String> names = Arrays.asList("XML", "HTML", "CSS", "Javascript", "Java", "Static");
Optional<String> longestName =
names.stream()
.reduce((name1,name2)->name1.length() >= name2.length() ? name1 : name2);
if (longestName.isPresent()) {
System.out.println(longestName.get());
} else {
System.out.println("WTF?");
}
}
}
The code above generates the following result.