taking union of two array elements

[agsupriya86]

Hi,

I have a LinkedList of arrays ,Each array containing certain keywords..i need to take the union of all keywords presents in all the arrays of the linked list...that is removing the duplicates words and then combining all..

Can u please prvide me with some help regarding this??

[r035198x]

Hi,

I have a LinkedList of arrays ,Each array containing certain keywords..i need to take the union of all keywords presents in all the arrays of the linked list...that is removing the duplicates words and then combining all..

Can u please prvide me with some help regarding this??

Collections have an addAll method that takes another collection as well.
The remove duplicates thing is even easier. Just look up HashSet.