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|Interview Questions and Answers for 'Aci worldwide' - 1 question(s) found - Order By Newest|
|Ans. Vectors are synchronized whereas Array lists are not.|
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|Like Discuss Correct / Improve  java   basic interview question   vector   arraylist   collections   synchronization Asked in 34 Companies basic   frequent|
|If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?|
|What is the difference between ArrayList and LinkedList ?|
|Difference between TreeMap and HashMap ?|
|Difference between HashMap and Hashtable?|
|Can you provide some implementation of a Dictionary having large number of words ?|
| Collections.sort can only be performed on ..|
d. Any Collection implementation
| What is the difference between List, Set and Map ?|
What are the different Java Collections Interfaces ?
|What are strong, soft, weak and phantom references in Java ?|
|What are the Disadvantages of using Collection Classes over Arrays ?|