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HashMap vs Hashtable vs HashSet

Posted on 24. Aug, 2009 by Tahir Akram.

I was reading about collection framework of Java. And was studying Hashtable, HashMap and HashSet. Its quite interesting to know the differences between them. In this post I will discuss these three with examples.
Hashtable
Hashtable is basically a datastructure to retain values of key-value pair.

It didn’t allow null for both key and value. You will get [...]

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