Java for oracle linux

This topic describes the installation procedures of the JDK on the Linux platform, along with the system requirements.

General Notes About Installing the JDK on Linux Platforms from Archive Files

Installing the JDK automatically creates a directory called jdk–feature.interim.update.patch where feature ( 11 ),interim, update, and patch represent corresponding values of version information.

If you install JDK in a specific location such as /opt , you must log in with root credentials to gain the necessary permissions. If you do not have the root access, either install the JDK in your home directory or a sub directory for which you have the write permissions.

If you install the software in a directory that contains a sub directory named jdk– 11 .interim.update.patch , the new software overwrites files of the same name in that directory. Ensure that you rename the old directory if it contains files that you would like to keep.

Installing the JDK from archive files doesn’t configure the backing store for the system node of Java Preferences API ( java.util.prefs Java package). If this functionality of the JDK is required, you need to manually configure it by making sure either /etc/.java/.systemPrefs or jdk– 11 .interim.update.patch/.systemPrefs directory exists.

General Notes About Installing the JDK on Linux Platforms from RPM packages

This topic describes general information about installing JDK 11 from RPM packages on Linux platforms.

You can install only one version of JDK of the same feature release. If you try to install the newer version of the same feature release while the older version exists, the installer uninstalls the older version and installs the new version. For example, you can’t install jdk- 11 and jdk- 11 .0.1 simultaneously. If you attempt to install jdk- 11 .0.1 after jdk- 11 is installed, the installer uninstalls jdk- 11 and installs jdk- 11 .0.1 .

All versions of JDK of the same feature release are installed in /usr/lib/jvm/jdk- 11 -oracle- directory, where equals x64 or aarch64 . Additionally /usr/java/jdk- 11 symbolic link pointing to the installation directory is created for backward compatibility.

If you install an older version of a JDK when the newer version of the same feature family already exists, an error is displayed, prompting you to uninstall a newer JDK version if an older version has to be installed.

You must log in with root credentials to install or update JDK.

By default, the installation script configures the system such that the backing store for the system node of Java Preferences API (java.util.prefs Java package) is configured in /etc/.java/.systemPrefs directory.

The JDK installation is integrated with the alternatives framework. After installation, the alternatives framework is updated to reflect the binaries from the recently installed JDK. Java commands such as java , javac , javadoc , and javap can be called from the command line.

Using the java -version command, you can confirm the default (recently installed) JDK version.

System Requirements for Installing JDK on Linux Platforms

See Oracle JDK Certified Systems Configurations for information about supported platforms, operating systems, and browsers.

JDK Installation Instruction Notation for Linux Platforms

JDK installers now support only one version of any Java feature release. You can’t install multiple versions of the same feature release.

For example, you can’t install jdk- 11 and jdk- 11 .0.1 simultaneously. If you attempt to install jdk- 11 .0.1 after jdk- 11 is installed, the installer uninstalls jdk- 11 and installs jdk- 11 .0.1 .

Linux x64 systems: jdk- _linux-x64_bin.tar.gz

Linux aarch64 (64-bit ARM) systems: jdk- _linux-aarch64_bin.tar.gz

jdk-11_linux-aarch64_bin.tar.gz

Installing the JDK on Linux from Archive Files and RPM Packages

You can install the Java Development Kit (JDK) on a Linux platform from archive files or from Red Hat Package Manager (RPM) packages.

Installation can be performed by using one of the following processes:

From archive files ( .tar.gz ): This allows you to install a private version of the JDK for the current user into any location, without affecting other JDK installations. However, it may involve manual steps to get some of the features to work. See the following table for the options available for downloading and installing the JDK from archive files. The bundles are available for Linux x64 and Linux aarch64 (64-bit ARM) systems. Install the required bundle.
From RPM packages ( .rpm ): This allows you to perform a systemwide installation of the JDK for all users, and requires root access. See the following table for the options available for downloading and installing the JDK from Linux x64 and Linux aarch64 (64-bit ARM) RPM packages.

Downloading the JDK Installer

Access Java SE Downloads page and click Accept License Agreement . Under the Download menu, click the Download link corresponding your requirement.

The following table lists the options and instructions for downloading and installing the JDK 11 release on a Linux platform:

Download File	Instructions	Architecture (CPU Type)	Who Can Install
For Linux x64 systems: jdk- _linux-x64.tar.gz	Installing the 64-Bit JDK on Linux Platforms	Intel — 64-bit	Anyone
For Linux aarch64 (64-bit ARM) systems: jdk- _linux-aarch64.tar.gz	Installing the 64-Bit JDK on Linux Platforms	ARM — 64-bit	Anyone
For Linux x64 systems: jdk- _linux-x64.rpm	Installing the 64-Bit JDK on RPM-Based Linux Platforms	Intel — 64-bit RPM-based Linux	Root
For Linux aarch64 (64-bit ARM) systems: jdk- _linux-aarch64.rpm	Installing the 64-Bit JDK on RPM-Based Linux Platforms	ARM — 64-bit RPM-based Linux	Root

Installing the 64-Bit JDK on Linux Platforms

You can install the JDK for 64-bit Linux from an archive file ( .tar.gz ). The .tar.gz archive file (also called a tarball) is a file that can be uncompressed and extracted in a single step.

For Linux x64 systems: jdk- _linux-x64_bin.tar.gz
For Linux aarch64 (64-bit ARM) systems: jdk- _linux-aarch64_bin.tar.gz

Before you download a file, you must accept the license agreement. Anyone (not only root users) can install the archive file in any location having write access.

Installing the 64-Bit JDK on RPM-Based Linux Platforms

You can install the JDK on 64-bit RPM-based Linux platforms, such as Red Hat and SuSE by using a downloadable RPM package file ( .rpm ) in the system location.

You can install the JDK using a downloadable RPM package file on an OL system too, but the preferred way to install the JDK on OL systems is from Oracle Linux RPM repositories.

Ensure that you have the root user access. You can do this by running the command su and entering the superuser password.

For x64 systems: jdk- 11 .interim.update.patch_linux-x64_bin.rpm . For example, jdk- 11 _linux-x64_bin.rpm
For aarch64 (64-bit ARM) systems: jdk- 11 .interim.update.patch_linux-aarch64_bin.rpm . For example, jdk- 11 _linux-aarch64_bin.rpm

Before you download a file, you must accept the license agreement.

Upgrade the required package using the following command: $ sudo rpm -Uvh jdk- 11 _linux-x64_bin.rpm OR $ sudo rpm -Uvh jdk- 11 _linux-aarch64_bin.rpm

Note: JDK 11 can coexist with other feature releases of JDK. For each feature release, a separate directory is created, the default directory being /usr/lib/jvm/jdk- -oracle- . For example, JDK 11 releases for x64 will be installed in /usr/lib/jvm/jdk- 11 -oracle-x64 directory.

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JDK 20 is the latest release of Java SE Platform and JDK 17 LTS is the latest long-term support release for the Java SE platform.

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JDK 20 will receive updates under these terms, until September 2023 when it will be superseded by JDK 21.

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Oracle GraalVM uses the Graal just-in-time compiler and includes the Native Image feature as optional early adopter technology.

Native Image is extensively tested and supported for use in production, but is not a conformant implementation of the Java Platform. GraalVM for JDK 20 without the Native Image feature included is available for customers at My Oracle Support.

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GraalVM for JDK 17 will receive updates under these terms, until September 2024, a year after the release of the next LTS.

Oracle GraalVM uses the Graal just-in-time compiler and includes the Native Image feature as optional early adopter technology.

Native Image is extensively tested and supported for use in production, but is not a conformant implementation of the Java Platform. GraalVM for JDK 17 without the Native Image feature included is available for customers at My Oracle Support.

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Script-friendly Download URLs

The URLs listed above will remain the same for update releases to allow their use in scripts.

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Java SE Development Kit 8u381

Java SE subscribers will receive JDK 8 updates until at least December 2030.

The Oracle JDK 8 license changed in April 2019

The Oracle Technology Network License Agreement for Oracle Java SE is substantially different from prior Oracle JDK 8 licenses. This license permits certain uses, such as personal use and development use, at no cost — but other uses authorized under prior Oracle JDK licenses may no longer be available. Please review the terms carefully before downloading and using this product. FAQs are available here.

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Which Java 8 package do I need?

Software developers: Java SE Development Kit (JDK) For Java developers. Includes a complete JRE plus tools for developing, debugging, and monitoring Java applications.

Running headless Linux workloads at or near your systems’ CPU or memory limits Enterprise Performance Pack brings significant memory and performance improvements including modern garbage collection algorithms, reduced memory usage and many other optimizations. Learn more

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