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

Question Posted / minu

4 Answers
7250 Views
Symphony, I also Faced
E-Mail Answers

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