How to use results of ejbfind methods when it is a collection ?

How to use ejbFind methods result , when it is a collection ?
Hi thank you for reading my post.
EJB find methods return a collection , i want to know how i can use that collection ?
should i use Collection.toArray() and then use that array by casting it?
what is DTOs and ho i can use them in this case?
How i can use the returned collection is a swing application as it is a colection of ejbs ?
Should i Cast it back to ejb class which it comes from or some other way ?
for example converting it to an array of DTO (in session bean) and return it to swing application ?
or there are some other ways ?
Thank you

Hi
pleas , some one answer
Collection collection = <home-interface>.<finderMethod>;
Iterator iter = collection.iterator();
while (iter.hasNext()) {
<remote-interface> entityEJB = (<remote-interface>) iter.next();
} what if i do the above job in session bean and convert the result to a DTO and pass the dto back ?
thank you

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How to use results of ejbfind methods when it is a collection ?

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