The collections framework defines several interfaces. This section provides an overview of each interface −
| Sr.No. | Interface & Description |
|---|---|
| 1 | The Collection Interface
This enables you to work with groups of objects; it is at the top of the collections hierarchy.
|
| 2 | The List Interface
This extends Collection and an instance of List stores an ordered collection of elements.
|
| 3 | The Set
This extends Collection to handle sets, which must contain unique elements.
|
| 4 | The SortedSet
This extends Set to handle sorted sets.
|
| 5 | The Map
This maps unique keys to values.
|
| 6 | The Map.Entry
This describes an element (a key/value pair) in a map. This is an inner class of Map.
|
| 7 | The SortedMap
This extends Map so that the keys are maintained in an ascending order.
|
| 8 | The Enumeration
This is legacy interface defines the methods by which you can enumerate (obtain one at a time) the elements in a collection of objects. This legacy interface has been superceded by Iterator.
|
){kind=link}
0 Comments
If you have any doubts,please let me know