去掉数组里重复的元素

String str[] ={"a", "b","1" ,"c", "d", "a","bb","bb","1"};

List<String> strList = Arrays.asList(str);
  Set<String> strSet = new HashSet<String>(strList);
  String[] strArray = strSet.toArray(new String[0]);
  for(String s:strArray){
   System.out.println(s);
  }
     }