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|Core Java - Interview Questions and Answers for 'Identityhashmap' - 1 question(s) found - Order By Newest|
|Ans. IdentityHashMap is a class that implements AbstractMap and provides a data structure with Elements having Key Value pair, just like HashMap. It is similar to HashMap except that it uses reference equality when comparing elements.|
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|Like Discuss Correct / Improve  IdentityHashMap  map  hashmap  collections|
|Difference between HashMap and Hashtable?|
|Difference between TreeMap and HashMap ?|
|Can you provide some implementation of a Dictionary having large number of words ?|
|What is a ConcurrentHashMap ?|
|How is Hashmap internally implemented in Java ?|
|Can we use null as a key for a map collection ?|
| Which of the following collections stores its elements in insertion Order ? |
|Why HashTable has been deprecated ?|
|Difference between Map and HashMap ?|
|Can we add duplicate keys in a HashMap ? What will happen if we attempt to add duplicate values ?|