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Practice what's new in Java
You have read about the new features that have arrived in Java world but didn't have the opportunity to learn them yet? I have a challenge for you.
What's new in Java world
I won't describe what's new in Java world because this article is hard to surpass:
How to practice it?
But reading about what's new is not enough.
Alas, your project at work may be stuck with Java 11 or even Java 8.
In a previous article, I shared the tip that if you want to learn more about a programming language - or here its evolution - you should write unit tests about them.
Unit test your learning
Jean-Michel Fayard May 28 5 min read
This is exactly what I've started to do here:
jmfayard / java16-playground
Life is too short for Java 8
java16-playground
Life is too short for Java 8
Playground project demonstrating the new features from Java 8 to Java 16
See article: Practice what's new in Java
Contributions welcome, see open issues
Reference: https://dev.to/awwsmm/20-reasons-to-move-on-from-java-8-1dio
If you look in the src/main/test folder, you will find snippets like this one:
public class RecordJava14 { record Employee (String name, int age, String department) { } @Test void createRecord() { var patrik = new Employee("Patrick", 36, "Marketing"); assertThat(patrik.toString()).isEqualTo("Employee[name=Patrick, age=36, department=Marketing]"); assertThat(patrik.name()).isEqualTo("Patrick"); var clone = new Employee("Patrick", 36, "Marketing"); assertThat(clone).isEqualTo(patrik); }}
This gives you a view of the features of modern Java that are already covered:
Your challenge
If you want to learn more about modern Java, I challenge you to pick one of the remaining issues and implement it.
https://github.com/jmfayard/java16-playground/issues
(of course, you can also create a new issue)
Original Link: https://dev.to/jmfayard/practice-what-s-new-in-java-1j09
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