Sorting in Java: Comparable & Comparator Interfaces | Java Mastery Series

Published: 02 June 2026
on channel: Beat99.Academy

Hey guys! Welcome back to the Java Mastery Series. Today, we are looking at how to sort our custom objects using the Comparable and Comparator interfaces.

We will start with a quick introduction to sorting, and then jump right into implementing the Comparable interface to define a default sorting rule for our classes. Next, we will use the Comparator interface to create custom, multiple sorting sequences. We will also look at how to strip away all the messy boilerplate code using Lambdas and Anonymous Classes to make our comparators super clean! Finally, we do a direct comparison of Comparable vs Comparator and go over some common mistakes you need to avoid.

Hope this helps you master sorting in Java! Let me know in the comments if anything is confusing you.

⏳ Chapters:
0:00 - Intro to Comparable & Comparators
2:20 - Comparable
12:46 - Comparator
22:22 - Comparator without Boilerplate (Lambdas, Anonymous Classes)
27:45 - Comparable vs Comparator
29:57 - Common Mistakes to Avoid

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