private static LinkedHashMap sortHashMapByValuesD(HashMap passedMap) {
List mapKeys = new ArrayList(passedMap.keySet());
List mapValues = new ArrayList(passedMap.values());
Collections.sort(mapValues);
Collections.sort(mapKeys);
LinkedHashMap sortedMap = new LinkedHashMap();
Iterator valueIt = mapValues.iterator();
while (valueIt.hasNext()) {
Object val = valueIt.next();
Iterator keyIt = mapKeys.iterator();
while (keyIt.hasNext()) {
Object key = keyIt.next();
String comp1 = passedMap.get(key).toString();
String comp2 = val.toString();
if (comp1.equals(comp2)) {
passedMap.remove(key);
mapKeys.remove(key);
sortedMap.put(key, val);
break;
}
}
}
return sortedMap;
}
private static Map<String, Double> sortByComparator(
Map<String, Double> map, final boolean order) {
List<Entry<String, Double>> list = new LinkedList<Entry<String, Double>>(map.entrySet());
// Sorting the list based on values
Collections.sort(
list,
new Comparator<Entry<String, Double>>() {
public int compare(Entry<String, Double> o1, Entry<String, Double> o2) {
if (order) {
return o1.getValue().compareTo(o2.getValue());
} else {
return o2.getValue().compareTo(o1.getValue());
}
}
});
// Maintaining insertion order with the help of LinkedList
Map<String, Double> sortedMap = new LinkedHashMap<String, Double>();
for (Entry<String, Double> entry : list) {
sortedMap.put(entry.getKey(), entry.getValue());
}
return sortedMap;
}