Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;

public class Main {
    @SuppressWarnings("unchecked")
    static public LinkedHashMap<Object, Comparable> sortHashMapByValues(HashMap<Object, Comparable> passedMap) {
        ArrayList mapKeys = new ArrayList(passedMap.keySet());
        ArrayList mapValues = new ArrayList(passedMap.values());
        Collections.sort(mapValues);
        Collections.sort(mapKeys);

        LinkedHashMap<Object, Comparable> sortedMap = new LinkedHashMap<Object, Comparable>();

        Iterator<Comparable> valueIt = mapValues.iterator();
        while (valueIt.hasNext()) {
            Comparable val = valueIt.next();
            Iterator keyIt = mapKeys.iterator();

            while (keyIt.hasNext()) {
                Object key = keyIt.next();
                Comparable comp = passedMap.get(key);

                if (comp.equals(val)) {
                    passedMap.remove(key);
                    mapKeys.remove(key);
                    sortedMap.put(key, val);
                    break;
                }

            }
        }
        return sortedMap;
    }
}