package com.jsql.view.swing.dialog.translate;
   
   import java.util.*;
   import java.util.stream.Collectors;
   
   public class SortedProperties extends Properties {
       @Override
       public synchronized Enumeration<Object> keys() {
           Enumeration<Object> keysEnum = super.keys();
          List<String> keyList = new ArrayList<>();
          while (keysEnum.hasMoreElements()) {
              keyList.add((String) keysEnum.nextElement());
          }
          Collections.sort(keyList);
          return Collections.enumeration(keyList.stream()
              .map(s -> (Object) s)
              .collect(Collectors.toList()));
      }
      @Override
      public Set<Map.Entry<Object, Object>> entrySet() {
          Map<Object, Object> treeMap = new TreeMap<>();
          Set<Map.Entry<Object, Object>> entrySet = super.entrySet();
          for (Map.Entry<Object, Object> entry : entrySet) {
              treeMap.put(entry.getKey(), entry.getValue());
          }
          return Collections.synchronizedSet(treeMap.entrySet());
      }
  }