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java Programming Glossary: hashsethttp://stackoverflow.com/questions/13999506/threads-with-key-bindings Set Integer keysDown Collections.synchronizedSet new HashSet Integer public void keyPressed KeyEvent e keysDown.add e.getKeyCode.. to you. Lastly what does Collections.synchronizedSet new HashSet Integer mean do Update #2 It seems like key bindings are the.. window focus like key listeners Also I understand that HashSet Integer is just a subclass of Set Integer but what is the purpose..
Obtaining powerset of a set in java http://stackoverflow.com/questions/1670862/obtaining-powerset-of-a-set-in-java 3 1 Lets say I have a Set in Java... Set Integer mySet new HashSet Integer mySet.add 1 mySet.add 2 mySet.add 3 Set Set Integer.. T Set Set T powerSet Set T originalSet Set Set T sets new HashSet Set T if originalSet.isEmpty sets.add new HashSet T return sets.. sets new HashSet Set T if originalSet.isEmpty sets.add new HashSet T return sets List T list new ArrayList T originalSet T head..
How do I remove repeated elements from ArrayList? http://stackoverflow.com/questions/203984/how-do-i-remove-repeated-elements-from-arraylist al new ArrayList add elements to al including duplicates HashSet hs new HashSet hs.addAll al al.clear al.addAll hs Of course.. add elements to al including duplicates HashSet hs new HashSet hs.addAll al al.clear al.addAll hs Of course this destroys the..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java remember When using a hash based Collection or Map such as HashSet LinkedHashSet HashMap Hashtable or WeakHashMap make sure that.. using a hash based Collection or Map such as HashSet LinkedHashSet HashMap Hashtable or WeakHashMap make sure that the hashCode..
Efficiency of Java “Double Brace Initialization”? http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization with a very enticing syntax Set String flavors new HashSet String add vanilla add strawberry add chocolate add butter pecan.. And of course showing off Second question The new HashSet must be the this used in the instance initializer ... can anyone..
Remove Elements from a HashSet while Iterating http://stackoverflow.com/questions/1110404/remove-elements-from-a-hashset-while-iterating removeCandidates Thanks java iteration hashmap hashset share improve this question You can manually iterate over..
http://stackoverflow.com/questions/1463284/hashset-vs-treeset In which cases should I use a HashSet over a TreeSet java hashset treeset share improve this question HashSet is much faster..
Why can't I retrieve an item from a HashSet without enumeration? http://stackoverflow.com/questions/1494812/why-cant-i-retrieve-an-item-from-a-hashset-without-enumeration I want to be able to retrieve that equivalent item from a hashset and get it's C. I won't be able to use HashSet for this it appears.. B.hashCode public bool Equals X obj return obj.A A obj.B B hashset.insert new X 1 2 extra1 hashset.contains new X 1 2 returns true.. obj return obj.A A obj.B B hashset.insert new X 1 2 extra1 hashset.contains new X 1 2 returns true but I can't retrieve extra ..
Internal implementation of java.util.HashMap and HashSet http://stackoverflow.com/questions/1781868/internal-implementation-of-java-util-hashmap-and-hashset becomes the key. The value is dummy java hashmap hashcode hashset language implementation share improve this question The..
initialize java HashSet values by construction http://stackoverflow.com/questions/2041778/initialize-java-hashset-values-by-construction Thanks java collections constructor initialization hashset share improve this question There is a shorthand that I..
http://stackoverflow.com/questions/2704597/iteration-order-of-hashset the order used by its Iterator java collections hashset share improve this question Absolutely not. The insertion..
What is the difference between HashSet and HashMap…? http://stackoverflow.com/questions/2773824/what-is-the-difference-between-hashset-and-hashmap hash tables to store values..... java collections hashmap hashset share improve this question They are entirely different..
What does the “Multiple markers” mean? http://stackoverflow.com/questions/4991458/what-does-the-multiple-markers-mean I am doing wrong. Can anybody please help me java set hashset markers share improve this question Multiple markers just..
http://stackoverflow.com/questions/5080612/hashset-vs-linkedhashset So where is double linked List and insertion order java hashset linkedhashset share improve this question The answer lies.. double linked List and insertion order java hashset linkedhashset share improve this question The answer lies in which constructors..
Why there is no ConcurrentHashSet against ConcurrentHashMap http://stackoverflow.com/questions/6992608/why-there-is-no-concurrenthashset-against-concurrenthashmap the rest as is java collections concurrency hashmap hashset share improve this question You can trivially produce a..
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