Jul 13, 2015 · OptionalInt max = list.stream().mapToInt(Integer::intValue).max(); Or specify the natural order comparator: Optional<Integer> max = list.stream().max(Comparator.naturalOrder());

Dec 6, 2018 · Stream.max() returns the maximum element of the stream based on the provided Comparator. A Comparator is a comparison function, which imposes a total ordering on some collection of objects. max() is a terminal operation which combines stream elements and returns a summary result.

Sep 21, 2018 · If you want to get OptionalInt you would need to map Stream<A> to Stream<String> and then map it to Stream of ints first. Then you can call its max() method and get: OptionalInt maxOpt = list_a.stream() .map(A::getName) .mapToInt(String::length) .max();

In this article, we will discuss how to find longest String in an Arrays and List using Java 1.8 version. 1. Finding Longest String in List or ArrayList : We will find Longest String in a List or ArrayList using different methods of Java 8 Stream. 2. Finding Longest number in an Arrays:

Mar 4, 2022 · Learn to find min and max date, number, Char, String or object from a stream of items in easy steps using Comparator.comparing().

Jul 22, 2017 · grabs the list into a stream (hides looping thru it from you), and gets the max() - it does so by comparing element p1 with element p2, each is the next and previous item in the list (while going thru it) and does a comparison of those two items.

Aug 13, 2021 · Stream.min () – Returns the minimum element of the stream according to the provided comparator. Stream.max () – Returns the maximum element of the stream according to the provided comparator. 2. Practice. Let us dive into some practice stuff from here and I am assuming that you already have the Java 1.8 or greater installed in your local machine.

Mar 16, 2022 · Learn to use Java Stream max() method to select the largest element in the stream according to the comparator provided in its argument.

Dec 15, 2022 · Stream.max() is a new addition to the java 8 API which allows you to find the maximum element in a stream. Maximum element is determined according to the comparator that is supplied as argument to this function. 1. Finding the largest element in a stream of numbers, 2. Finding the longest string in a stream of strings, 3.

Aug 1, 2024 · In this above example, we can print odd numbers of a list without using Stream API. public static void main(String[] args) { ArrayList < Integer > listofN = new ArrayList < Integer > (); listofN.add(10); listofN.add(0); listofN.add(5); listofN.add(20); listofN.add(30); System.out.println("List of Numbers are:"+listofN);