What you’ll learn:
Learn how to use modern features introduced between Java 9 and Java 17
Learn how to write concise code using the new additions
Impress a prospective employer with how you are up to speed with the latest Java LTS release, Java 17
Understand Pattern Matching, Switch Expressions, Records, Text Blocks and more
Requirements:
Programming experience with Java 8 (Familiarity with Lambdas, Streams)
A setup of Java 17 & Maven (3.8.1+) on your machine
Basic knowledge of Maven, JUnit
Description:
This crash course is for Java developers who want to quickly learn 12 additions to the Java language between Java 9 and Java 17, the current Long Term Support release. Since Java 9, the Java language and platform contain numerous changes but the twelve features introduced in this course will get utilized often in your day-to-day life as a Java programmer.
The course is driven completely using examples, every feature explained via code in around 5 minutes.
In some of the examples, we will utilize JUnit, OpenJFX, Jackson, and OpenCSV – You don’t need to know any of these libraries. The focus will be on the 12 features.
Basic knowledge of Maven and JUnit is required.
You will also get to reinforce your learning by solving a bunch of interesting exercises.
We will go through the following:
Learn how to create unmodifiable collections using Collection Factory methods
Learn how to utilize handy methods introduced in the Collectors class for flat mapping and filtering elements in a stream pipeline
Learn how to write concise code using Local-Variable Type Inference
Learn handy API changes in String, Files class, and the Predicate, Path interface
Learn to utilize the Teeing Collector to perform 2 operations on every element in the Stream and then merge results
Learn Switch Expressions to write code that is easy to understand
Detect the exact cause of a NullPointerException by using Helpful NullPointerExceptions
Learn how to represent multi-line Strings using Text Blocks
