Questions

Does it matter what JDK you use?

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Does it matter what JDK you use?

No, you can’t necessarily run code compiled with a new JDK on an old JRE. Compiled classes contain a version number for the class file format; if this is newer than the runtime expects, it will refuse to load the class.

What version of Java is JDK 12?

Java
JDK 12 is the open-source reference implementation of version 12 of the Java SE Platform as specified by by JSR 386 in the Java Community Process. JDK 12 reached General Availability on 19 March 2019.

Is OpenJDK 11 supported?

Red Hat provides both OpenJDK 8 and OpenJDK 11 distribution for Windows servers. And running both versions on a single Windows system is fully supported.

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What Corretto 11?

Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK). With Corretto, you can develop and run Java applications on operating systems such as Amazon Linux 2, Windows, and macOS. …

What is the latest JDK version?

The latest version of Java is Java 17 or JDK 17 released on September, 14th 2021 (follow this article to check Java version on your computer). JDK 17 is the latest Long Term Support (LTS) release of Java SE platform (about 8 years of support from Oracle).

What is JDK 13?

JDK 13 is the open-source reference implementation of version 13 of the Java SE Platform as specified by by JSR 388 in the Java Community Process. JDK 13 reached General Availability on 17 September 2019. The release was produced using the JDK Release Process (JEP 3).

Can I use JDK 11 during development for earlier Java?

You can use JDK 11 during development for earlier Java if your project is explicitly configured to be compiled and built for the earlier Java only. Of course that means you cannot use features added in the later Java. But if your project is properly configured, your IDE should prevent such features from being introduced into your codebase.

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What is the difference between JDK 8 and JDK 11?

JDK 8 and 11 are LTS (long term support) versions of Java. 8 has extended support till March 2025 while 11 till September 2026. The next LTS version of Java will be Java 17.

What version of JDK do most users use?

Most JDK 11+ users are using either OpenJDK or GraalVM which runs in the context of OpenJDK. OpenJDK comes in various flavors, offered by different providers. We build and test Scala using AdoptOpenJDK in particular, but the differences are unlikely to matter to most users.

Why do large companies still use JDK 11?

So, for this reason, large companies will stick to JDK 11 as a rule and that’s because it’s supported until at least 2026 but also there’s no new features of the language introduced there. In other words, they don’t have to risk breaking compatibility with that source code.