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Java Collections - Comparator.reverseOrder() Examples

Java Collections Java Java API 

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Interface:

java.util.Comparator

java.util.ComparatorComparatorLogicBig

Method:

static <T extends Comparable<? super T>> Comparator<T> reverseOrder()

This static method returns a comparator that imposes the reverse of the natural ordering.


Examples


package com.logicbig.example.comparator;

import java.util.Arrays;
import java.util.Comparator;

public class ReverseOrderExample {

    public static void main(String... args) {
        String[] strings = {"banana", "orange", "apple"};
        System.out.printf("before sort: %s%n", Arrays.toString(strings));
        Arrays.sort(strings, Comparator.reverseOrder());
        System.out.printf("after sort: %s%n", Arrays.toString(strings));
    }
}

Output

before sort: [banana, orange, apple]
after sort: [orange, banana, apple]

See Also