Difference between HashMap and Hashtable
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Total Hits: 10992
Total Votes: 45 votes
Submitted on: 2014-04-02 06:14:08
Submitted By: Java Hungry
Description:We have already discussed other popular java interview questions like ArrayList vs Vector and Comparator vs Comparable .This question is generally asked in java intereview to check whether candidate understand correct usage of collection classes and has knowledge of alternative solutions. Difference between hashmap and hashtable includes five point namely Synchronization,Null keys and values,Iterating values , Fail fast iterator ,Performance,Superclass . More detail...