Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...


Same common question what is Map,Set,HashMap,List????

Answers were Sorted based on User's Feedback



Same common question what is Map,Set,HashMap,List????..

Answer / dsr

Map,set ,List are collection interfaces.
HashMap is a collection class.

Is This Answer Correct ?    8 Yes 0 No

Same common question what is Map,Set,HashMap,List????..

Answer / punit pannu

collection API:- Collection is a interface which contains three sub-interfaces list set and queue sub-interfaces.

1.List sub-interface: it contains three concrete classes
Arraylist
Vector and
Linkedlist

2. Set sub-interface:- it contains two classes
HashSet
LinkedHashSet

and one interface- SortedSet which contains one concrete
class - TreeSet


3. Map interface: it contains three concrete classes
HashMap
HashTable
LinkedHashMap

and one sub-interface

SortedMap

which contains one concrete class

TreeMap.

Is This Answer Correct ?    4 Yes 0 No

Same common question what is Map,Set,HashMap,List????..

Answer / swetha

these are collection classes in java.

Is This Answer Correct ?    5 Yes 2 No

Same common question what is Map,Set,HashMap,List????..

Answer / swetha

these are collection classes in java.

Is This Answer Correct ?    5 Yes 2 No

Post New Answer



More Core Java Interview Questions

What is the function of java?

0 Answers  


Can a private method be declared as static?

0 Answers   Global Logic,


Can a serialized object be transferred via network?

0 Answers  


Can singleton class be inherited in java?

0 Answers  


When do we need to use internal iteration? When do we need to use external iteration?

0 Answers  






Explain OOPs concept.

0 Answers   Syntel, Visa,


Can I extend singleton class in java?

0 Answers  


Name the method that used to clear the buffer ?

2 Answers  


what is difference between requestprocessor and request dispatcher?

2 Answers   Tech Mahindra,


What methods are used in Servlet?Applet communication?

0 Answers   Satyam,


Break statement can be used as labels in java?

0 Answers  


can we override the main() method in java????

3 Answers   Vimukti Technologies,






Categories