• Collection
• Set
• List
• Queue
• Deque
• Map
• SortedSet
• SortedMap
• NavigableSet
• NavigableMap
• BlockingQueue
• TransferQueue
• BlockingDeque
• ConcurrentMap
• ConcurrentNavigableMap

• Iterable
• Iterator
• ListIterator

• Comparable
• Comparator

• UnsupportedOperationException
• ConcurrentModificationException

• RandomAccess

• AbstractCollection
• AbstractSet
• AbstractLit
• AbstractSequentialList
• AbstractQueue
• AbstractMap

All general-purpose implementations are serializable and all support a public clone method.

• HashSet
• TreeSet
• LinkedHashSet
• ArrayList
• ArrayDeque
• LinkedList
• PriorityQueue
• HashMap
• TreeMap
• LinkedHashMap

• WeakHashMap
• IdentityHashMap
• CopyOnWriteArrayList
• CopyOnWriteArraySet
• EnumSet
• EnumMap

• ConcurrentLinkedQueue
• LinkedBlockingQueue
• ArrayBlockingQueue
• PriorityBlockingQueue
• DelayQueue
• synchronousQueue
• LinkedBlockingDeque
• LinkedTransferQueue
• ConcurrentHashMap
• ConcurrentSkipListSet
• ConcurrentSkipListMap

• Collections.unmodifiableCollection
• Collections.unmodifiableList
• Collections.unmodifiableSet
• Collections.unmodifiableMap
• Collections.unmodifiableSortedSet
• Collections.unmodifiableSortedMap
• Collections.unmodifiableNavigableSet
• Collections.unmodifiableNavigableMap

• Collections.synchronizedCollection
• Collections.synchronizedList
• Collections.synchronizedSet
• Collections.synchronizedMap
• Collections.synchronizedSortedSet
• Collections.synchronizedSortedMap
• Collections.synchronizedNavigableSet
• Collections.synchronizedNavigableMap

• Collections.checkedCollection
• Collections.checkedLIst
• Collections.checkedSet
• Collections.checkedQueue
• Collections.checkedMap
• Collections.checkedSortedSet
• Collections.checkedSortedMap
• Collections.checkedNavigableSet
• Collections.checkedNavigableMap

• Arrays.asList
• Collections.emptyEnumeration
• Collections.emptyIterator
• Collections.emptyListIterator
• Collections.emptyList
• Collections.emptyMap
• Collections.emptySet
• Collections.emptySortedSet
• Collections.emptySortedMap
• Collections.emptyNavigableSet
• Collections.emptyNavigableMap
• Collections.singleton
• Collections.singletonList
• Collections.singletonMap
• Collections.nCopys

• Collections.newSetFromMap
• Collections.asLifoQueue

• Vector
• HashTable

• Collections.sort(List)
• Collections.binarySearch(List,Object)
• Collections.reverse(List)
• Collections.shuffle(List)
• Collections.fill(List,Object)
• Collections.copy(List dest,List Src)
• Collections.min(Collection)
• Collections.max(Collection)
• Collections.rotate(List list,List distance)
• Collections.replaceAll(List list,Object oldVal,Object newVal)
• Collections.indexOfSubList(List source,List target)
• Collections.lastIndexOfSubList(List source,List target)
• Collections.swap(List,int,int)
• Collections.frequency(Collection,Object)
• Collections.disjoint(Collection,Collection)
• Collections.addAll(Collection,T…)

• Arrays

• Basic Operations
  • size()
  • isEmpty()
  • add(E e)
  • remove(E e)
  • removeIf(Predicate predicate) —- default method since 1.8
  • stream() —- default method for Aggregate Operations since 1.8
  • parallelStream() —- default method for Aggregate Operations since 1.8
  • iterator() —- inherits from Iterable
  • spliterator() —- default method inherits from Iterable since 1.8
  • forEach(Consumer consumer) —- default method inherits from Iterable since 1.8
• Bulk Operations
  • c1.containsAll(c2)
  • c1.addAll(c2)
  • c1.retainAll(c2)
  • c1.removeAll(c2)
  • clear()
• Array Operations
  • toArray()
  • toArray(T[] a)

equals and hashCode methods are overrided through AbstractSet

all inherit from Collection

• General-purpose
  • HashSet
  • TreeSet
  • LinkedHashSet
• Special-purpose
  • EnumSet
  • CopyOnWriteArraySet

equals and hashCode methods are overrided through AbstractList

• Collection Operations
  all inherit from Collection
  • sort(Comparator c) —- default method since 1.8
  • replaceAll(UnaryOperator operator) —- default method since 1.8
• Positional Access and Search Operations
  • get(int index)
  • set(int index,E e)
  • add(int index,E e)
  • remove(int index)
  • addAll(int index,Collection c)
  • indexOf(Object o)
  • lastIndexOf(Object o)
• Iterators
  • listIterator()
  • listIterator(int index)
• Range-View Operation
  • subList(int fromIndex, int toIndex)
• List Algorithms
  • Collections.sort(List)
  • Collections.binarySearch(List,Object)
  • Collections.reverse(List)
  • Collections.shuffle(List)
  • Collections.fill(List,Object)
  • Collections.copy(List dest,List Src)
  • Collections.rotate(List list,List distance)
  • Collections.replaceAll(List list,Object oldVal,Object newVal)
  • Collections.indexOfSubList(List source,List target)
  • Collections.lastIndexOfSubList(List source,List target)
  • Collections.swap(List,int,int)

• General-purpose
  • ArrayList
  • LinkedList
• Special-purpose
  • CopyOnWriteArrayList

• Main Methods
  • addFirst(e);offerFirst(e)
  • addLast(e);offerLast(e)
  • removeFirst();pollFirst()
  • removeLast();pollLast()
  • getFirst();peekFirst()
  • getLast();peekLast()
  • removeFirstOccurrence(o);removeLastOccurrence(o)
• Queue Methods
  • add(e) —- equivalent to addLast(e)
  • offer(e) —- equivalent to offerLast(e)
  • remove() —- equivalent to removeFirst()
  • poll() —- equivalent to pollFirst()
  • element() —- equivalent to getFirst()
  • peek() —- equivalent to peekFirst()
• stack Methods
  • push(e) —- equivalent to addFirst(e)
  • pop() —- equivalent to removeFirst()
• Collection Methods
  • remove(o) —- equivalent to removeFirstOccurrence(o)
  • contains(o)
  • size()
  • iterator()
  • descendingIterator()

• General-purpose
  • LinkedList
  • ArrayDeque
• Concurrent
  • LinkedBlockingDeque —- implements BlockingDeque
  • ConcurrentLinkedDeque

• Basic Operations

  • size()
  • isEmpty()
  • containsKey(key)
  • containsValue(value)
  • get(key)
  • put(key,value)
  • remove(key)
  • getOrDefault(key, defaultValue) —- default method since 1.8
  • forEach(action) —- default method since 1.8
  • replaceAll(function) —- default method since 1.8
  • putIfAbsent(key,value) —- default method since 1.8
  • remove(key, value) —- default method since 1.8
  • replace(key, oldValue, newValue) —- default method since 1.8
  • replace(key, value) —- default method since 1.8
  • computeIfAbsent(key,mappingFunction) —- default method since 1.8
  • computeIfPresent(key,remappingFunction) —- default method since 1.8
  • compute(key,remappingFunction) —- default method since 1.8
  • merge(key, value,remappingFunction) —- default method since 1.8

• Bulk Operations

  • putAll(map)
  • clear()

• Collection Views

  • keySet()
  • values()
  • entrySet()

• General-Purpose
  • HashMap
  • TreeMap —- implements NavigableMap
  • LinkedHashMap
• Special-Purpose
  • EnumMap
  • WeakHashMap
  • IdentityHashMap
• Concurrent
  • ConcurrentHashMap
  • ConcurrentSkipListMap —- implements ConcurrentNavigableMap