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Try 2 Question(s) Test
|What is the difference between ArrayList and LinkedList ?|
|If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?|
|Difference between HashMap and Hashtable?|
|Difference between TreeMap and HashMap ?|
|Can you provide some implementation of a Dictionary having large number of words ?|
|Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?|
|What is a ConcurrentHashMap ?|
|Why HashTable has been deprecated ?|
|Difference beween HashSet and TreeSet ?|