To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics. In the above example, we already briefly explored a simpler ...

List Interface is implemented by Array List, Linked List, Vector and Stack classes. Java ArrayList Array List being a part of collection framework helps you provide dynamic arrays in 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 ...

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.