In HashSet duplicates are allowed while adding to the HashSet,
but while retreiving the object from HashSet is not shown the
duplicate values, WHY ?
- 2 Answers
- 6634 Views
- Cap Gemini, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / brijendra kumar (xavient)
Actually in HashSet we are able to add the duplicate value,
but at the execution time JVM ignore the duplicate value.
HashSet<String> T= new HashSet<String>();
T.add("k");
T.add("k");
System.out.println("size" +T.size());
when we execute these line of code then we got the size of
HashSet is 1.
Due to this reason we are unable to iterate the duplicate
value from HashSet.
| Is This Answer Correct ? | 7 Yes | 2 No |
Answer / shashi
Because HashSet class will override equals and hashcode method internally.
| Is This Answer Correct ? | 0 Yes | 0 No |
What are the types of interface used in the java collections? : java collections
What is IOC in spring?
please mail me the interview question based on java/j2ee
What are the main classes of the list interfaces? : java collections
How do you create UserTransaction Object? How do you rollback a transaction in a method?
Hi we have an urgent requirement for Java/J2ee technical lead position & also looking for "Java Guidewire claimcentre" experienced professional for Bangalore location if interested can reach srisanh@gmail.com
what debugging tool that can be used to debug the java programs?
wnet use DAO design in u r project?
What are the uses of the set interfaces in the java collections? : java collections
Write a postfix expression to (a*(b+c/d)*d-e)
What is need of DAO? Write one simple DAO example?
What is the enumerator of the java collection framework? : java collections
Core Java 
