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.

Comparator-in-java 🌸🍁🍂🌼 Comparator interface is used to order the objects of user-defined classes. A comparator object is capable of comparing two objects of two different classes.

For our first example, consider the Comparator version of java.util.Collections.sort(), from the Java Collections API. This method’s signature is: ...