Java Collection Class

Collection API.

Collection(I)
|
|---List
|      |
|      |----ArrayList
|      |----LinkedList
|      |----Vector
|      |       |
|      |       |----Stack
|      
|      
|----Set
|      |
|      |----HashSet
|      |       |
|      |       |----LinkedHashSet
|      |
|      |----TreeSet
|      
|      
|----Queue
|      |
|      |----PriorityQueue(I)
|      |----BlockingQueue
|      |       |
|      |       |----LinkedBlockingQueue
|      |       |----LinkedBlockingDeque
|      
|      
|----Deque
|      |
|      |----ArrayDeque
|      |----LinkedList
|      
|      
|----Map
|      |
|      |----HashMap
|      |       |
|      |       |----LinkedHashMap
|      |
|      |----TreeMap
|      |----WeakHashMap
|      |----ConcurrentHashMap
|      |----ConcurrentSkipListMap
|      
|      
|----NavigableMap(I)
|      |
|      |----TreeMap
|      |----ConcurrentSkipListMap
|      
|      
|----NavigableSet(I)
       |
       |----TreeSet
       |----ConcurrentSkipListSet

Collection Interface

Collection Interface: