Win a copy of The Java Performance Companion this week in the Performance forum!
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic

Collections

 
satishind Reddy
Ranch Hand
Posts: 33
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
I found this question from mock exame.
Which of the following can contain duplicate elements.
a)collection
b)List
c)Set
d)Map
Given answers is 'a' and 'b'.
How is 'a' is a answer.
Thanks
Satish
 
sean cee
Ranch Hand
Posts: 115
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Hi Satishind,
API says "Some collections allow duplicate elements and others do not "
So I guess, you cannot really say a) is true.
I have come across this kind of answer before... and I wondered myself....
correct me if I am wrong here.. thanks
 
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic