Interested to Buy Any Domain ? << Click Here >> for more details...
Which class has no duplicate elements?
- 8 Answers
- 15867 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / ranganathkini
The java.util.Set interface and related implementations dont
support duplicate elements.
| Is This Answer Correct ? | 13 Yes | 0 No |
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 |
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 |
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 |
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 |
Answer / rajesh
hashset,treeset....these classes don't allow the duplicate
values.
| Is This Answer Correct ? | 2 Yes | 2 No |
What is the difference between overriding & overloading?
Explain method overloading?
How do you ensure that n threads can access n resources without deadlock?
Difference between object instantiation and construction ?
Explain notifyall() method of object class ?
In a container there are 5 components. I want to display all the component names, how will you do that?
Can any one say how will sort map objects in java?
What is the instance of an object?
Why constructor has no return type?
What does singleton mean in java?
How do you download stubs from Remote place?
for what purpose we use applets ?
Core Java 
