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java Programming Glossary: linkedhashsetConstruct a tree structure from list of string paths http://stackoverflow.com/questions/1005551/construct-a-tree-structure-from-list-of-string-paths of a visitable tree class Tree T implements Visitable T NB LinkedHashSet preserves insertion order private final Set Tree children new.. insertion order private final Set Tree children new LinkedHashSet Tree private final T data Tree T data this.data data void accept..
Picking a random element from a set http://stackoverflow.com/questions/124671/picking-a-random-element-from-a-set interested in picking a random element from a HashSet or a LinkedHashSet in Java. Solutions for other languages are also welcome. java..
What does it mean to program to a interface? http://stackoverflow.com/questions/1413543/what-does-it-mean-to-program-to-a-interface decide you need to use a different data structure say a LinkedHashSet in order to take advantage of the LinkedHashSet's functionality... say a LinkedHashSet in order to take advantage of the LinkedHashSet's functionality. The code has to be changed like so public static.. to be of type Set which is an interface Set buddies new LinkedHashSet change the constructor call don't do this you declare the variable..
http://stackoverflow.com/questions/1463284/hashset-vs-treeset modifies the set it must be synchronized externally. LinkedHashSet is in some sense intermediate between HashSet and TreeSet ...
Hibernate Criteria returns children multiple times with FetchType.EAGER http://stackoverflow.com/questions/1995080/hibernate-criteria-returns-children-multiple-times-with-fetchtype-eager
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java When using a hash based Collection or Map such as HashSet LinkedHashSet HashMap Hashtable or WeakHashMap make sure that the hashCode..
What is the best way to remove duplicates in an Array in Java? http://stackoverflow.com/questions/357421/what-is-the-best-way-to-remove-duplicates-in-an-array-in-java that meets your needs best now HashSet TreeSet LinkedHashSet and you don't have to change your code to change the implementation..
Creating random numbers with no duplicates http://stackoverflow.com/questions/4040001/creating-random-numbers-with-no-duplicates Random Ideally just create one instance globally Note use LinkedHashSet to maintain insertion order Set Integer generated new LinkedHashSet.. to maintain insertion order Set Integer generated new LinkedHashSet Integer while generated.size numbersNeeded Integer next rng.nextInt.. with the set choice though I've very deliberately used LinkedHashSet as it maintains insertion order which we care about here. Yet..
http://stackoverflow.com/questions/5080612/hashset-vs-linkedhashset vs LinkedHashSet What is the difference between them I know that A LinkedHashSet.. What is the difference between them I know that A LinkedHashSet is an ordered version of HashSet that maintains a doubly linked.. through a HashSet the order is unpredictable while a LinkedHashSet lets you iterate through the elements in the order in which..
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