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What's New in Java 15

by Sander Mak

This course provides an overview of the most important features in Java 15. It covers Text Blocks, a major new language feature. Furthermore, you’ll learn about preview language features like Pattern Matching, Records, and Sealed Classes.

What you'll learn

Java 15 is the second Java release in 2020. In this course, What's New in Java 15, you'll get an overview of all the important features in Java 15. First, you will learn about a new feature called Text Blocks, introducing multi-line strings in the Java language. Next, you will discover a lot of exciting preview language features, such as Pattern Matching, Sealed Classes, and Records. After you've seen the highlights of these features, you will also learn about improvements made to the JVM, for example around Garbage Collection. When you're finished with this course, you will be ready to make the most of Java 15 in your own projects.

About the author

Sander is Director of Technology at Picnic —the Dutch online grocery scale-up— building Java-based systems at scale. He also is a Java Champion and author of the O'Reilly book 'Java 9 Modularity' (see As an avid conference speaker, Sander loves sharing knowledge, also through his blog at and as Pluralsight instructor.

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