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How to setup JDK 15 environment in IDEs

How to setup JDK 15 environment in IDEs

In this tutorial, we will see the steps how to setup JDK 15 environment in popular IDEs like IntelliJ and Eclipse IDE. We need to install JDK 15 on the machine to use the latest features in the IDE.

Install JDK 15 on the machine.

IntelliJ

Launch IntelliJ IDE and the project to configure.

  • Choose File >> Project Structure…
  • Choose Project SDK as java version 15

Updating JDK in IntelliJ IDEA

 

  • Project Language Level as 15

or 15( Preview) to enable Preview features in the JDK 15.

Project Structure IntelliJ

Eclipse

Check if your IDE has Java 15 Support.

Project >> Properties >> Java Compiler >> Compiler compliance level

 

JDK 14 in Eclipse

Install Java 15 Support Plugin from the Eclipse Marketplace.
Help >> Eclipse Marketplace…
Type JDK 15 in the search box.

 

Java 15 Eclipse Marketplace

Install the plugin and Restart the Eclipse.

Now you get the option to use the JDK 15 features in the Project -> Properties-> Java Compiler.

JDK 15 Features

We can enable the JDK 15 preview features by checking the check box:

Enable preview features for Java 15.

Click on Apply and Close button to save the setting.

JDK 15 Settings in Eclipse

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