Modern Java Course - New instanceof, TextBlocks and var | learn java

In this installment of the course we talk about pattern matching in switch statements and sealed classes.

You can find the full source code shown in the video (and in other videos in the series) here: https://github.com/shai-almog/java-book/

Many developers learned Java at a job or in University. In those settings it might have been Java 6 or 7 at best. A lot has changed in Java since then. Its become a modern powerful platform with, fluid syntax, high performance and low overhead.

In this course we'll go over the features of modern Java. We start by creating a baseline with Java 8 features. We then cover the features of Java releases up to version 21 and beyond. The course doesn't just cover the core Java API and VM. It goes into the deeper underlying concepts, all the way into Spring Boot, Kubernetes and using Java in a modern cloud environment.

This course aims to update weekly, please use the comments section below to ask questions and make requests. We'll try to help.

Also checkout https://debugagent.com/ to learn more about me.

Title: Modern Java Course - New instanceof, TextBlocks and var | learn java

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✅ Recommended Playlists:

? Practical Debugging at Scale Course - Module 1:
https://www.youtube.com/watch?v=A919j_5qE0k&list=PL8GhfcywW9YM3OsfxnaxAci6dJgkuOQWn

✅ Other Videos You Might Be Interested In Watching:

? Practical Debugging at Scale Part 3: Watch and Evaluate
https://www.youtube.com/watch?v=DGjVVKCNosM

? Practical Debugging at Scale Part 2: Program Control Flow
https://www.youtube.com/watch?v=GSeg5L31XXw

? Practical Debugging at Scale Part 1: Introduction
https://www.youtube.com/watch?v=A919j_5qE0k

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00:00 Introduction
00:30 Instanceof is Annoying
00:46 The original instanceof syntax
01:05 New and improved instanceof
01:34 Text Blocks
01:55 Old Java String Arithmatics
02:11 New Text Blocks String
02:29 Text Blocks Whitespace and parameters
03:08 The var Keyword
03:37 Var and Primitives, Must be assigned in the same statement
03:50 var var is legal!
04:17 Generics are a mixed bag with var
05:12 Final Word