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|Java - Interview Questions and Answers|
|Frequently asked in Indian Service Companies. Tech Mahindra ( Based on 3 inputs ) and Infosys ( 3 inputs )|
|Ans. List - Members are stored in sequence in memory and can be accessed through index. |
Set - There is no relevance of sequence and index. Sets doesn't contain duplicates whereas multiset can have duplicates.
Map - Contains Key , Value pairs.
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|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 ?|
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|Can you provide some implementation of a Dictionary having large number of words ?|
| Collections.sort can only be performed on ..|
d. Any Collection implementation
|Difference between Vector and ArrayList ?|
|What are strong, soft, weak and phantom references in Java ?|
|What are the Disadvantages of using Collection Classes over Arrays ?|