Finding duplicates in a Java list? That’s actually a bit more complicated ... If you only need a unique list of the duplicate items, you could use a HashSet instead of an ArrayList to hold duplicates.

Write your own Java algorithm to remove duplicates from a List. Optimize your own algorithms with standard Java classes. The fastest and most efficient way to remove items from a List in Java is to ...

Notifications You must be signed in to change notification settings This repo performs a timing benchmark of various methods to remove every second element from an ArrayList ... discards all the ...

It can have duplicate values. The ArrayList class ... ArrayDeque is faster than ArrayList and Stack and has no capacity restrictions. Set Interface in Java is present in java.util package. It extends ...