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 ...

No animals were harmed in the making of this library. Maven dependency is now on sonatype. Check out sonatype repository for latest snapshots and releases. Add the following maven dependency to your ...

Comparable and comparator both are an interface that can be used to sort the elements of the collection. Comparator interface belongs to java.util package while comparable belongs to java.lang package ...

It holds a number called 'id'. Use getId() to retrieve that value. Note that as it stands, there is no way to set a value for 'id' (like a constructor or setter), so some additions would be needed for ...