ejemplo de código java LinkedHashMap

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Ejemplo 1: linkhashmap en java

LinkedHashMap is same as HasHMap just additionally maintains the insertion order.

Ejemplo 2: mapa hash y mapa hash vinculado

Main difference between HashMap and LinkedHashMapI remember is that LinkedHashMap maintains
insertion order of keys,On the other hand HashMap doesn't maintain
any order or keys or values.
AlsoLinkedHashMaprequiresmore memory than HashMap
because of the ordering feature.
LinkedHashMap doublly LinkedListtomaintain order of elements.

Ejemplo 3: linkhashmap en java

LinkedHashMap can have null key, keeps order

Ejemplo 4: LinkedHashSet en java

importjava.util.LinkedHashSet;publicclassLinkedHashsetExamplepublicstaticvoidmain(String[] args)LinkedHashSet<String> lhs =newLinkedHashSet<String>();// add elements to LinkedHashSet
      lhs.add("Anteater");
      lhs.add("Bear");
      lhs.add("Cheetah");
      lhs.add("Deer");// will not add new element as Anteater already exists
      lhs.add("Anteater");
      lhs.add("Elephant");System.out.println("LinkedHashSet size: "+ lhs.size());System.out.println("Given LinkedHashSet: "+ lhs);System.out.println("Deer removed from LinkedHashSet: "+ lhs.remove("Deer"));System.out.println("Remove Zebra which is not present: "+ lhs.remove("Zebra"));System.out.println("Check if Anteater is present: "+ lhs.contains("Anteater"));System.out.println("New LinkedHashSet: "+ lhs);

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