Question

please how do i delete duplicates from an ArrayList in java

Answer 1

do you mean if your array had [6 7 9 6 3 5 7 9] you'd want to make it [6 7 9 3 5 7]?

Answer 2

yea

Answer 3

yea

Answer 4

loop through array and put all elements into a set, a set will eliminate all duplicates.