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ArrayList Vs Array , HashSet Vs TreeSet

 
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hi all

i have some doubts about the mentioned collection classes.

if we are taking about Execution Time which one is faster and why?

Is the performance of ArrayList and Vector same or which one has higher performance and why?


thanks in advance
 
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Do these links help?
  • Java Tutorials about lists,
  • API for ArrayList,
  • Java Tutorial about Sets,
  • API for HashSet, and
  • API for TreeSet.
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