Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.Comparator;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;

public class Main {
    /**
     * Creates a map which is sorted by entry values.
     *   
     * @param map the original map
     * 
     * @param <K> the key type
     * @param <V> the value type
     * 
     * @return a map which is by entry values.
     */
    public static <K, V extends Comparable<? super V>> SortedSet<Map.Entry<K, V>> getEntriesSortedByValues(
            Map<K, V> map) {
        SortedSet<Map.Entry<K, V>> sortedEntries = new TreeSet<Map.Entry<K, V>>(new Comparator<Map.Entry<K, V>>() {
            @Override
            public int compare(Map.Entry<K, V> e1, Map.Entry<K, V> e2) {
                return e1.getValue().compareTo(e2.getValue());
            }
        });
        sortedEntries.addAll(map.entrySet());
        return sortedEntries;
    }
}