java8.util.function

Class BinaryOperators

java.lang.Object

java8.util.function.BinaryOperators

public final class BinaryOperators
extends Object

A place for static default implementations of the new Java 8 default interface methods and static interface methods in the BinaryOperator interface.

Method Summary

Modifier and Type	Method and Description
static <T> BinaryOperator<T>	maxBy(Comparator<? super T> comparator) Returns a BinaryOperator which returns the greater of two elements according to the specified Comparator.
static <T> BinaryOperator<T>	minBy(Comparator<? super T> comparator) Returns a BinaryOperator which returns the lesser of two elements according to the specified Comparator.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

minBy

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

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

Type Parameters:

T - the type of the input arguments of the comparator

Parameters:

comparator - a Comparator for comparing the two values

Returns:

a BinaryOperator which returns the lesser of its operands, according to the supplied Comparator

Throws:

NullPointerException - if the argument is null

maxBy

public static <T> BinaryOperator<T> maxBy(Comparator<? super T> comparator)

Returns a BinaryOperator which returns the greater of two elements according to the specified Comparator.

Type Parameters:

T - the type of the input arguments of the comparator

Parameters:

comparator - a Comparator for comparing the two values

Returns:

a BinaryOperator which returns the greater of its operands, according to the supplied Comparator

Throws:

NullPointerException - if the argument is null