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# Shared Tutorials Directory

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- ### Difference between HashMap and HashTable

  This question oftenly asked in interview to check whether candidate understand correct usage of collection classes and aware of alternative solutions
  http://javarevisited.blogspot.com/2010/10/difference-between-hashmap-a...

## Tutorial Statistics

- Total Hits: 445

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- Total Votes: 0 votes

- Category: JAVA/Collections

- Submitted on: 2011-02-05 08:21:15

- Submitted By: Javin Paul

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## Tutorial Detail ( View Tutorial )

This question oftenly asked in interview to check whether candidate understand correct usage of collection classes and aware of alternative solutions available.
1. The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and permits nulls. (HashMap allows null values as key and value whereas Hashtable doesn't allow nulls). More detail...
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