Community driven content discussing all aspects of software development from DevOps to design patterns. There are several ways to find duplicates in a Java List, array or other collection class. The ...

It might work for a List, depending on implementation. But looking up something in a list requires iterating anyway, so you don't really gain anything. It probably won't work at all for a Set, because ...

Community driven content discussing all aspects of software development from DevOps to design patterns. It’s easy to remove duplicates from a list in Java. There are a variety of functions in Java ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...