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.

Java’s equals() and hashcode() are two methods that work together to verify if two objects have the same value. You can use them to make object comparisons easy and efficient in your Java ...

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 ...