Refactoring Java 8 code with Java 17 new features – JEP Café #9

How to use the new features from Java 17, especially Records, to improve your Java 8 code. Do you need to make your code easier to understand without losing performance? This JEP Café shows you how to do it.

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Tags: #Java #OpenJDK #Java17 #JDK #JDK17 #Record #Programming #JEPCafe #InsideJava

⎯⎯⎯⎯⎯⎯ Chapters ⎯⎯⎯⎯⎯⎯
0:00 Intro
1:02 Introducing the Haiku Katas
1:58 1st kata: finding all the letters used in a String
3:37 Comparing the performances
3:53 2nd kata: getting the top 3 most used letters
8:26 Solving the tie problem by inverting a map
12:28 Improving the code with Java 17 features: Records
20:30 Comparing the performances
21:16 3rd kata: partionning the words
22:54 Partionning the words in one pass
23:57 Comparing the performances
24:32 Outro

⎯⎯⎯⎯⎯⎯ Resources ⎯⎯⎯⎯⎯⎯
◦ Donald Raab Haiku Katas ➱ https://medium.com/javarevisited/haiku-for-java-using-text-blocks-6b7862ccd067
◦ JEP 395: Records ➱ https://openjdk.java.net/jeps/395
◦ The Eclipse Collections framework ➱ https://www.eclipse.org/collections/
◦ How to use JMH ➱ https://openjdk.java.net/projects/code-tools/jmh/
◦ JDK 17 ➱ https://openjdk.java.net/projects/jdk17
◦ Dev.java, The Destination for Java Developers ➱ https://dev.java/
◦ OpenJDK ➱ https://openjdk.java.net/
◦ Oracle Java ➱ https://www.oracle.com/java/