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|Core Java - Interview Questions and Answers for 'Size of collection' - 1 question(s) found - Order By Newest|
|Ans. As the name suggest size is the size of collection / data structure i.e number of elements or memory utilized by the collection.|
Index is the position of an element in a collection or data structure.
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|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 ?|
| Collections.sort can only be performed on ..|
d. Any Collection implementation
|Why HashTable has been deprecated ?|
|Difference beween HashSet and TreeSet ?|