Содержание
kayartaya-vinod / big-o-java-collections.md
The book Java Generics and Collections has this information (pages: 188, 211, 222, 240).
get add contains next remove(0) iterator.remove ArrayList O(1) O(1) O(n) O(1) O(n) O(n) LinkedList O(n) O(1) O(n) O(1) O(1) O(1) CopyOnWrite-ArrayList O(1) O(n) O(n) O(1) O(n) O(n) add contains next notes HashSet O(1) O(1) O(h/n) h is the table capacity LinkedHashSet O(1) O(1) O(1) CopyOnWriteArraySet O(n) O(n) O(1) EnumSet O(1) O(1) O(1) TreeSet O(log n) O(log n) O(log n) ConcurrentSkipListSet O(log n) O(log n) O(1) get containsKey next Notes HashMap O(1) O(1) O(h/n) h is the table capacity LinkedHashMap O(1) O(1) O(1) IdentityHashMap O(1) O(1) O(h/n) h is the table EnumMap O(1) O(1) O(1) TreeMap O(log n) O(log n) O(log n) ConcurrentHashMap O(1) O(1) O(h/n) h is the table ConcurrentSkipListMap O(log n) O(log n) O(1) offer peek poll size PriorityQueue O(log n) O(1) O(log n) O(1) ConcurrentLinkedQueue O(1) O(1) O(1) O(n) ArrayBlockingQueue O(1) O(1) O(1) O(1) LinkedBlockingQueue O(1) O(1) O(1) O(1) PriorityBlockingQueue O(log n) O(1) O(log n) O(1) DelayQueue O(log n) O(1) O(log n) O(1) LinkedList O(1) O(1) O(1) O(1) ArrayDeque O(1) O(1) O(1) O(1) LinkedBlockingDeque O(1) O(1) O(1) O(1) The bottom of the javadoc for the java.util package contains some good links: Collections Overview has a nice summary table. Annotated Outline lists all of the implementations on one page.
nitkumar31 / big-o-java-collections.md
The book Java Generics and Collections has this information (pages: 188, 211, 222, 240).
get add contains next remove(0) iterator.remove ArrayList O(1) O(1) O(n) O(1) O(n) O(n) LinkedList O(n) O(1) O(n) O(1) O(1) O(1) CopyOnWrite-ArrayList O(1) O(n) O(n) O(1) O(n) O(n) add contains next notes HashSet O(1) O(1) O(h/n) h is the table capacity LinkedHashSet O(1) O(1) O(1) CopyOnWriteArraySet O(n) O(n) O(1) EnumSet O(1) O(1) O(1) TreeSet O(log n) O(log n) O(log n) ConcurrentSkipListSet O(log n) O(log n) O(1) get containsKey next Notes HashMap O(1) O(1) O(h/n) h is the table capacity LinkedHashMap O(1) O(1) O(1) IdentityHashMap O(1) O(1) O(h/n) h is the table EnumMap O(1) O(1) O(1) TreeMap O(log n) O(log n) O(log n) ConcurrentHashMap O(1) O(1) O(h/n) h is the table ConcurrentSkipListMap O(log n) O(log n) O(1) offer peek poll size PriorityQueue O(log n) O(1) O(log n) O(1) ConcurrentLinkedQueue O(1) O(1) O(1) O(n) ArrayBlockingQueue O(1) O(1) O(1) O(1) LinkedBlockingQueue O(1) O(1) O(1) O(1) PriorityBlockingQueue O(log n) O(1) O(log n) O(1) DelayQueue O(log n) O(1) O(log n) O(1) LinkedList O(1) O(1) O(1) O(1) ArrayDeque O(1) O(1) O(1) O(1) LinkedBlockingDeque O(1) O(1) O(1) O(1) The bottom of the javadoc for the java.util package contains some good links: Collections Overview has a nice summary table. Annotated Outline lists all of the implementations on one page.
FedericoPonzi / big-o-java-collections.md
The book Java Generics and Collections has this information (pages: 188, 211, 222, 240).
get add contains next remove(0) iterator.remove ArrayList O(1) O(1) O(n) O(1) O(n) O(n) LinkedList O(n) O(1) O(n) O(1) O(1) O(1) CopyOnWrite-ArrayList O(1) O(n) O(n) O(1) O(n) O(n) add contains next notes HashSet O(1) O(1) O(h/n) h is the table capacity LinkedHashSet O(1) O(1) O(1) CopyOnWriteArraySet O(n) O(n) O(1) EnumSet O(1) O(1) O(1) TreeSet O(log n) O(log n) O(log n) ConcurrentSkipListSet O(log n) O(log n) O(1) get containsKey next Notes HashMap O(1) O(1) O(h/n) h is the table capacity LinkedHashMap O(1) O(1) O(1) IdentityHashMap O(1) O(1) O(h/n) h is the table EnumMap O(1) O(1) O(1) TreeMap O(log n) O(log n) O(log n) ConcurrentHashMap O(1) O(1) O(h/n) h is the table ConcurrentSkipListMap O(log n) O(log n) O(1) offer peek poll size PriorityQueue O(log n) O(1) O(log n) O(1) ConcurrentLinkedQueue O(1) O(1) O(1) O(n) ArrayBlockingQueue O(1) O(1) O(1) O(1) LinkedBlockingQueue O(1) O(1) O(1) O(1) PriorityBlockingQueue O(log n) O(1) O(log n) O(1) DelayQueue O(log n) O(1) O(log n) O(1) LinkedList O(1) O(1) O(1) O(1) ArrayDeque O(1) O(1) O(1) O(1) LinkedBlockingDeque O(1) O(1) O(1) O(1) The bottom of the javadoc for the java.util package contains some good links: Collections Overview has a nice summary table. Annotated Outline lists all of the implementations on one page.
AnishKAnish / big-o-java-collections.md
The book Java Generics and Collections has this information (pages: 188, 211, 222, 240).
get add contains next remove(0) iterator.remove ArrayList O(1) O(1) O(n) O(1) O(n) O(n) LinkedList O(n) O(1) O(n) O(1) O(1) O(1) CopyOnWrite-ArrayList O(1) O(n) O(n) O(1) O(n) O(n) add contains next notes HashSet O(1) O(1) O(h/n) h is the table capacity LinkedHashSet O(1) O(1) O(1) CopyOnWriteArraySet O(n) O(n) O(1) EnumSet O(1) O(1) O(1) TreeSet O(log n) O(log n) O(log n) ConcurrentSkipListSet O(log n) O(log n) O(1) get containsKey next Notes HashMap O(1) O(1) O(h/n) h is the table capacity LinkedHashMap O(1) O(1) O(1) IdentityHashMap O(1) O(1) O(h/n) h is the table EnumMap O(1) O(1) O(1) TreeMap O(log n) O(log n) O(log n) ConcurrentHashMap O(1) O(1) O(h/n) h is the table ConcurrentSkipListMap O(log n) O(log n) O(1) offer peek poll size PriorityQueue O(log n) O(1) O(log n) O(1) ConcurrentLinkedQueue O(1) O(1) O(1) O(n) ArrayBlockingQueue O(1) O(1) O(1) O(1) LinkedBlockingQueue O(1) O(1) O(1) O(1) PriorityBlockingQueue O(log n) O(1) O(log n) O(1) DelayQueue O(log n) O(1) O(log n) O(1) LinkedList O(1) O(1) O(1) O(1) ArrayDeque O(1) O(1) O(1) O(1) LinkedBlockingDeque O(1) O(1) O(1) O(1) The bottom of the javadoc for the java.util package contains some good links: Collections Overview has a nice summary table. Annotated Outline lists all of the implementations on one page.