Search Interview Questions
| 3306 questions in repository.|
There are more than 200 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|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.
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  java   collections   list   set   map Asked in 8 Companies basic   frequent|
Try 1 Question(s) Test
|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
|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 ?|