Write a Java Program to Sort a Map By Values

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import java.util.*;
import java.util.Map.Entry;

class Main {

  public static void main(String[] args) {

    // create a map and store elements to it
    LinkedHashMap<String, String> capitals = new LinkedHashMap();
    capitals.put("Nepal", "Kathmandu");
    capitals.put("India", "New Delhi");
    capitals.put("United States", "Washington");
    capitals.put("England", "London");
    capitals.put("Australia", "Canberra");

    // call the sortMap() method to sort the map
    Map<String, String> result = sortMap(capitals);

    for (Map.Entry entry : result.entrySet()) {
      System.out.print("Key: " + entry.getKey());
      System.out.println(" Value: " + entry.getValue());
    }
  }

  public static LinkedHashMap sortMap(LinkedHashMap map) {
    List <Entry<String, String>> capitalList = new LinkedList<>(map.entrySet());

    // call the sort() method of Collections
    Collections.sort(capitalList, (l1, l2) -> l1.getValue().compareTo(l2.getValue()));

    // create a new map
    LinkedHashMap<String, String> result = new LinkedHashMap();

    // get entry from list to the map
    for (Map.Entry<String, String> entry : capitalList) {
      result.put(entry.getKey(), entry.getValue());
    }

    return result;
  }
}