JDK 19: What Is new for you in Java 19?

  • Cubettech
  • Java
  • 2 years ago
JDK 19: What Is new for you in Java 19?

There are a few new features in Java 19 that may be of interest to developers. 

  • First, a new switch expression provides a more concise and flexible way to handle switch statements. 
  • Secondly, a new preview feature called “records” allows you to define immutable data classes more easily. 
  • Finally, there are a few new enhancements to the existing Java API, including a new HttpClient API and a new ProcessHandle API.

What is new in JDK 19?

With JDK 19, Java developers can enjoy several new features and improvements. Perhaps most notably, JDK 19 includes support for a new Java release cycle, which aims to deliver new features and enhancements every six months. It should help keep Java fresh and up-to-date while providing developers stability and compatibility.

In addition, JDK 19 comes with several new features and improvements as follows:

  • A new tool for bundling Java applications
  • Improved support for containers and cloud-native environments
  • A new way to manage low-level threading operations
  • Enhancements to the Java Security API
  • New compiler API

With these and many other new features and enhancements, JDK 19 will surely please Java developers of all stripes.

How can the New Features of JDK 19 Help your Project?

JDK 19 comes with new & unique features which can help you in your next big project in several ways. The new release includes support for both Java SE 13 and Java EE 8, meaning you can now use the latest features from both platforms in your project.

Moreover, JDK 19 also introduces several new features and improvements to the Java language and runtime.

Some of the highlights include:

  • New switch expression feature that makes it easier to work with switch statements.
  • The new text block feature offers an easier way to work with multi-line strings. This can be helpful when trying to avoid mistakes that can easily be made when working with a lot of text at once.
  • New ZGC low-latency garbage collector that can help improve performance.

In short, JDK 19 is a great release that can help your project in several ways. Check out the new features and see how they can help you take your project to the next level.

How to use JDK 19?

To use JDK 19, you will need to install it on your computer. You can use Javac (a java compiler) to compile your Java code when you are done. 

The Java compiler is included in the JDK. You can run your own code through Java Runtime Environment (JRE). The JRE is also included in the JDK.

If you want to use any of the new features or enhancements in JDK 19, you must ensure that your code is compatible. 

You can do it when compiling your code using t -source and -target.

For example, to compile code that is compatible with JDK 19, you would use the following command:

javac -source 19 -target 19 MyClass.java

It will compile the code in the file MyClass.java and produce a class file compatible with JDK 19.

What is your next step to get started with JDK 19?

You’ll need to take a few steps to start with JDK 19. 

  • First, you’ll need to ensure that you have installed the latest Java Development Kit (JDK) on your computer. You can download the JDK from the Oracle website.
  • Once the JDK is installed, you’ll need to set up your development environment. 
  • It Typically involves configuring your IDE (Integrated Development Environment) to use the JDK. 
  • Once the development setting is set up, you should be able to create and run Java applications using JDK 19.


As you can see, JDK 19 is a significant step forward for the Java platform, and it has several new features and enhancements. Whether you’re looking to use the latest Java features in your project or update your development environment, JDK 19 is a great choice.

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