import java.util.HashSet; ... Using composition for this scenario allows the CharacterCompositionExample class to use just two of HashSet‘s methods, without inheriting all of them.

Use a HashSet to automatically dedupe the List. Write your own Java algorithm to remove duplicates from a List. Optimize your own algorithms with standard Java classes. Remove duplicates with Java’s ...

Use HashSet set operations methods in C#. HashSet has a number of important methods for set operations such as IntersectWith, ... What you need to know about Java wrapper classes. By Rafael del Nero.

The most common approaches to removing duplicates from a List in Java include the following: A brute force comparison using nested loops. The use of a HashSet to find the unique duplicates. A combined ...