Java Lambda - BinaryOperator minBy example

BinaryOperator minBy method returns a BinaryOperator which returns the lesser of two elements according to the specified Comparator.


minBy has the following syntax.

static <T> BinaryOperator<T> minBy(Comparator<? super T> comparator)


The following example shows how to use minBy.

import java.util.Comparator;
import java.util.function.BinaryOperator;
/* ww w.j a  v  a2  s .c o m*/

public class Main {
   public static void main(String[] args) {
     BinaryOperator<Integer> bi = BinaryOperator.minBy(Comparator.reverseOrder());
     System.out.println(bi.apply(2, 3));

The code above generates the following result.