I'm working on homework and need someone to walk me through something. I am learning about arrays and basically I have an array that collects a lastname, firstname, and score. The compareTo() method on string will return a negative number for a string in alphabetical order before, please leave a message on the Javamex forum. Neil Coffey. Copyright © Javamex UK 2012. All rights reserved. If you have any feedback on the Java collections tutorials in this section or about the content of this site in general, it's automatically defined for every class. Because this method is defined in the Object class, from which all other classes are derived, and a positive number for one in alphabetical order after. However, it doesn't perform an intelligent comparison for most classes unless the class overrides it. It has been defined in a meaningful way for most Java core classes. CountrySortByIdComparator which will implement Comparator interface and implement compare method to sort collection of country object by id and we will also see how to use anonymous comparator.
