Accenture NJ mostly ask question on Collection like
1)How to sort Objcts and how treeset sort them
2)Explain mechanism of Hashcode finding in Java
3)Name some of the Sorted collection.
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Answer / aditya sharma
1)How to sort Objcts and how treeset sort them
Ans: *) We can sort objects using comparable and comparator
interface.
*) Treeset sort object using comparable interface.
2) Explain mechanism of Hashcode finding in Java
Ans:
1) Write [ java *Class name* ] = you will get class name and
hashCode no.
2) Implement the hashCode method in your class and call
hashCode method.
3) Name some of the Sorted collection.
Ans:
1) TreeSet
2) TreeMap
| Is This Answer Correct ? | 11 Yes | 0 No |
Answer / guest
The answer to all this question is easy but i think they
want answer from internal mechanism how it works inside
Java!!!
You think you answered well but they will always fail you
just hate then
| Is This Answer Correct ? | 1 Yes | 10 No |
Which collection allows duplicate values in java?
i need to know the site which compiles and run the java program completely in online... thank you for your reply in advance
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