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Java Collections - Comparator.reversed() Examples

Java Collections Java Java API 

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Interface:

java.util.Comparator

java.util.ComparatorComparatorLogicBig

Method:

default Comparator<T> reversed()

This default method returns a comparator that apply the reverse ordering of this comparator.


Examples


package com.logicbig.example.comparator;

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

public class ReversedExample {

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

Output

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

See Also