jhight
05/09/2017, 12:11 AMimport java.util.*;
class Test {
public static void main(String[] args) {
Map<String, Integer> unsorted = new HashMap();
unsorted.put("a", 1);
unsorted.put("b", 1);
unsorted.put("c", 2);
unsorted.put("d", 3);
SortedMap<String, Integer> sorted = new TreeMap(new Comparator<String>() {
public int compare(String a, String b) {
return b.compareTo(a);
}
});
sorted.putAll(unsorted);
for (String key: sorted.keySet()) {
System.out.println(key + ": " + sorted.get(key));
}
}
}