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Lesson 3 Java Language Requirements
ObjectiveThis page discusses the requirements for this course.

Java Language Requirements

You will need the following materials to take this course.

Which Java Development Kit to use

You can use the Java Development Kit 17 (JDK 17) to develop Java applications between the versions Java 11 and Java 17. JDK 17 is backwards compatible with Java 11, meaning that you can compile and run Java 11 code on JDK 17.
To install JDK 17, you can download it from the Oracle website. Once installed, you can set JDK 17 as the default Java development kit in your IDE. Then, you can start developing Java applications that can be run on Java 11 or higher. Note: If you are developing Java applications that need to be run on Java 11 or earlier, you should avoid using Java 17 features that are not available in Java 11. You can use the `--enable-preview` compiler option to enable preview features, but this should only be done for development purposes.
Here are some of the benefits of using JDK 17:
  1. It is the latest version of the Java Development Kit.
  2. It includes all of the features of JDK 11 and earlier versions of Java.
  3. It includes new features and improvements, such as:
    1. Sealed classes and interfaces
    2. Records
    3. Text blocks
    4. Switch expressions
    5. Pattern matching for instanceof
  4. It is backwards compatible with Java 11.
If you are developing new Java applications, I recommend using JDK 17. This will allow you to take advantage of the latest features and improvements in Java.


Java SDK for Mac OS or Linux Computers

The Java SDK is available for 1) Linux, 2) MacOS, 3) Solaris, and 4) Windows. Visit the following link to obtain JDK required for your operating system. JDK17-downloads
Ports for other platforms are in the works, as are third-party development environments that are Java SDK compliant. For now, if you are a Mac or Linux user, visit the following link to obtain a JDK for your operating system.
Installation of JDK on Mac OS

Java Book Recommendation

This book is not required to take this course, but does contain helpful, additional information. You can reach the Bookstore page at any time by clicking the Resources button on the toolbar.


Unlock the Full Power of Java: Why "Java Language Features" is a Must-Have for Every Developer!

In the rapidly evolving world of software development, staying updated and mastering core concepts can mean the difference between crafting ordinary code and building extraordinary applications. If you're on the fence about adding another title to your bookshelf or digital library, let's talk about "Java Language Features." Here's why this book isn't just another technical read but a ticket to a transformative journey in Java programming.
  1. Dive Deep into Modules: In an age where modularity can redefine the efficiency and scalability of your applications, this book offers an in-depth exploration of Java's module system. Understand how to create module definitions, declare module dependencies, and export & open packages, ensuring your applications are modular, maintainable, and forward-compatible.
  2. Streams - The Game Changer: Data is the new gold, and with Java Streams, processing it has never been more elegant. Whether you are a newbie or a seasoned developer, "Java Language Features" breaks down the art and science of Streams, enabling you to harness their full potential for data manipulation.
  3. Concurrent Programming with Threads: In today's multi-core processors era, mastering Threads isn't optional, it is essential. Dive deep into the intricacies of concurrent programming, learn how to create, synchronize, and coordinate threads, ensuring your Java applications are lightning-fast and glitch-free.
  4. Effortless I/O: The book elucidates Java's powerful I/O framework, making tasks like reading from or writing to files, networks, or other external data sources a breeze. With practical examples and detailed explanations, your applications will interact with data sources seamlessly.
  5. Lambda Expressions Unleashed: Simplify your code, make it more readable, and elevate its efficiency. Lambda Expressions are reshaping how we approach programming, and "Java Language Features" provides a comprehensive guide to mastering this paradigm. With real-world examples, grasp the transformative power of functional programming in Java.

Moreover, beyond just the technical prowess, the real magic of "Java Language Features" lies in its accessible language, practical examples, and step-by-step approach. It's not just about learning; it's about understanding and application.
So, why should you purchase "Java Language Features"? Because in the vast sea of programming books, it stands as a beacon for those who don't just wish to code but aspire to excel. It's not just a book; it's a companion for your journey in the world of Java.
Elevate your coding game. Invest in knowledge that's time-tested and future-ready.