java hashmap time complexity

Delightful Dormouse answered on May 7, 2021 Popularity 10/10 Helpfulness 2/10

answer java hashmap time complexity

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java hashmap time complexity

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On the other hand, a HashMap has an average time complexity of O(1) for put() , contains() and remove() operations. The worst-case time complexity for those operations is O(log n) since Java 8, and O(n) before that. Space-complexity wise, both have a complexity of O(n)

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Contributed on May 07 2021

Delightful Dormouse

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java hashmap time complexity

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On the other hand, a HashMap has an average time complexity of O(1) 
  for put() , contains() and remove() operations. 
  The worst-case time complexity for those operations is O(log n) 
  since Java 8, and O(n) before that. Space-complexity wise, both
  have a complexity of O(n)

Popularity 10/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: hashmap

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Contributed on May 07 2021

Delightful Dormouse

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