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By lokeshgupta1981
Submitted: Jul 15 2013 / 05:45

Topics covered in this post: How you will design a good key for HashMap? Difference between HashMap and ConcurrentHashMap? Difference between HashMap and Collections.synchronizedMap(HashMap)? Difference between ConcurrentHashMap and Collections.synchronizedMap(HashMap)? Difference between HashMap and HashTable? Difference between HashTable and Collections.synchronized(HashMap)? Impact of random/fixed hashCode() value for key? Using HashMap in non-synchronized code in multi-threaded application?
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