Which class has no duplicate elements?

Answers were Sorted based on User's Feedback



Which class has no duplicate elements?..

Answer / ranganathkini

The java.util.Set interface and related implementations dont
support duplicate elements.

Is This Answer Correct ?    13 Yes 0 No

Which class has no duplicate elements?..

Answer / ramanareddy333

in java .util package there is one interface (set interface)
that interface does not allows the duplicate values.that
interface implementations class are
hashset,treeset....these classes don't allow the duplicate
values.

Is This Answer Correct ?    9 Yes 1 No

Which class has no duplicate elements?..

Answer / selvan

java.util.Set Packages, there is no dulicate elements.Bcoz
these interfaces doesn't allows the dulicate values or
elements. For example. HashMap, HashSet, TreeSet and so on.

Is This Answer Correct ?    5 Yes 1 No

Which class has no duplicate elements?..

Answer / ravikiran

HashSet

Is This Answer Correct ?    3 Yes 0 No

Which class has no duplicate elements?..

Answer / shweta

set wont allow duplicate element all the classes implementin
set interface wont allow for eg HashSet TreeSet
Hash map will allow for two different key u can have same value

Is This Answer Correct ?    3 Yes 0 No

Which class has no duplicate elements?..

Answer / neeti

the set inteface does'nt allow duplicate
elements.therefore,the add() method return false if an
attempt is made to add duplicate elements to a set.

Is This Answer Correct ?    3 Yes 0 No

Which class has no duplicate elements?..

Answer / venkatesh

Which one will not allow duplicates, is it HashMap or
HashTable? Please explain the corect answer with an
example. Thanks in advance

Is This Answer Correct ?    3 Yes 1 No

Which class has no duplicate elements?..

Answer / rajesh

hashset,treeset....these classes don't allow the duplicate
values.

Is This Answer Correct ?    2 Yes 2 No

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