Web Reference: Objects that implement this interface can be used as keys in a sorted map or as elements in a sorted set, without the need to specify a comparator. Feb 2, 2026 · The Comparable interface in Java is used to define the natural ordering of objects of a class. It enables objects to be compared and sorted automatically without using an external Comparator. It contains the compareTo () method, which compares the current object with another object. I am not sure how to implement a comparable interface into my abstract class. I have the following example code that I am using to try and get my head around it:
YouTube Excerpt: 0:55 - The Movie class we will be comparing 1:51 - Comparing Movie objects without
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