The file contains Basic Collection Classes like in Collection Framework in Java 1.5

Sample Usage Stack var mySet=new Collection.Set(); set.add("Name 1"); // Added Name 1 set.add("Name 2");// Added Name 2 set.add("Name 2");// Will not added, as teh same object is repeated.

Similarly HashMap var myMap =new Collection.HashMap(); map.put("Key 1","value 1").