sort Map By Value - Java java.util

Java examples for java.util:Map Value

  1. HOME
  2. Java
  3. java.util
  4. Map Value

Description

sort Map By Value

Demo Code


//package com.java2s;
import java.util.*;

public class Main {
    public static <K, V extends Comparable<? super V>> Map<K, V> sortByValue(
            Map<K, V> map) {
        List<Map.Entry<K, V>> list = new LinkedList<Map.Entry<K, V>>(
                map.entrySet());//  w w w  .j a v  a 2 s .c  om
        Collections.sort(list, new Comparator<Map.Entry<K, V>>() {
            public int compare(Map.Entry<K, V> o1, Map.Entry<K, V> o2) {
                return (o2.getValue()).compareTo(o1.getValue());
            }
        });
        Map<K, V> result = new LinkedHashMap<K, V>();
        for (Map.Entry<K, V> entry : list) {
            result.put(entry.getKey(), entry.getValue());
        }
        return result;
    }
}

Related Tutorials