How to download java

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Java 18 and Java 17 available now

Java 17 LTS is the latest long-term support release for the Java SE platform. JDK 18 and JDK 17 binaries are free to use in production and free to redistribute, at no cost, under the Oracle No-Fee Terms and Conditions.

JDK 18 will receive updates under these terms, until September 2022 when it will be superseded by JDK 19

JDK 17 will receive updates under these terms, until at least September 2024.

Java SE Development Kit 18.0.2 downloads

Thank you for downloading this release of the Java™ Platform, Standard Edition Development Kit (JDK™). The JDK is a development environment for building applications and components using the Java programming language.

The JDK includes tools for developing and testing programs written in the Java programming language and running on the Java platform.

JDK Script-friendly URLs

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

Release information

Java SE Development Kit 17.0.4 downloads

Thank you for downloading this release of the Java™ Platform, Standard Edition Development Kit (JDK™). The JDK is a development environment for building applications and components using the Java programming language.

The JDK includes tools for developing and testing programs written in the Java programming language and running on the Java platform.

JDK Script-friendly URLs

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

Release information

Protect your investment—and more

Java SE subscribers get support for JDK 17, receive updates until at least October 2029, are entitled to GraalVM Enterprise, Java Management Service, and bundled patch releases (BPRs) with fixes not yet available to nonsubscribers, and more.

Java SE subscribers have more choices

Also available for development, personal use, and to run other licensed Oracle products.

Java SE Development Kit 8u341

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

The Oracle JDK 8 license changed in April 2019

Commercial license and support are available for a low cost with Java SE Subscription.

How to download java

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Java products and technologies

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Oracle WebLogic Server offers a robust, mature, and scalable implementation of Oracle Java Enterprise Edition (EE) and Jakarta EE to run enterprise Java applications in the cloud or on-premises.

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Oracle Verrazzano Enterprise Container Platform is a general-purpose container platform that developers and DevOps engineers can use to deploy, secure, and manage container workloads, including microservices and traditional applications. Verrazzano is built from a familiar collection of open source components and supports Kubernetes clusters running on-premises or in the cloud.

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This solution was provided very quickly, and we received kudos from the end user’s executives as to the speed and efficacy of the solution. We greatly appreciate the efforts of the Java Sustaining Engineering Team and Oracle Customer Support.”

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JavaOne is back!

Sharat Chander, Director, Java SE Product Management

We are excited to announce the return of JavaOne this October 16 to 20 in Las Vegas, Nevada. This year’s event will showcase the developer-first approach that enables modern application development, highlighting the power of developer community participation.

Featured blogs

Resources

Technical documentation and resources

Get the details on the current—and previous—releases of Java SE. Java SE helps you develop and deploy Java applications on desktops and servers. Java offers the rich user interface, performance, versatility, portability, and security that today’s applications require.

How to download java

Do you want to run Java programs, or do you want to develop Java programs? If you want to run Java programs, but not develop them, download the Java Runtime Environment, or JRE.

If you want to develop applications for Java, download the Java Development Kit, or JDK. The JDK includes the JRE, so you do not have to download both separately.

Which platform do you use? We support the following:

If you use an Apple product, such as a Macbook, please see the Apple Developer Connection to download the Java platform for your system.

Solaris Operating System

From the following table, select the instructions corresponding to your version of the Java release.

In order to run Java applets within a browser, you must install the JRE plugin manually. Instructions for that process are available here:

Microsoft Windows

From the following table, select the instructions corresponding to your version of the Java release.

For most people, the installation instructions in the previous table are all that you need. The following advanced options, available only on Microsoft Windows, are also available.

Linux

Some Linux platforms, such as Red Hat and SuSE, are RPM-based, which provide an automated way to install software. Some Linux distributions, such as Ubuntu, are not RPM-based. For these Linux systems, you must manually install the Java platform by using a self-extracting binary file.

From the following table, select the instructions corresponding to your version of the Java release.

In order to run Java applets within a browser, you must install the JRE plugin manually. Instructions for that process are available here:

How to download java

This topic includes the following sections:

System Requirements for Installing the JDK on 64-Bit Windows Platform

JDK Installation Instruction Notation for Windows

For any text in this document that contains the following notation, you must substitute the appropriate update version number:

JDK Installation Instructions for Windows

You run a self-installing executable file to unpack and install the JDK on Windows computers.

Install JDK on Windows computers by performing the actions described in the following topics:

Downloading the JDK Installer

Verify the successful completion of file download by comparing the file size on the download page and your local drive. Alternatively, you can ensure that the downloaded file’s checksum matches the one provided on the Java SE Downloads page.

Running the JDK Installer

During installation, the following files are copied to the location mentioned:

Alternatively, you can run these executables directly from the JDK’s bin directory.

Installing the JDK Silently

Instead of double-clicking or opening the JDK installer, you can perform a silent, non interactive, JDK installation by using command-line arguments.

Beginning to Use the JDK

Use the Java Development Kit in the Windows Start menu to access information related to Reference Documentation.

During JDK install, Java menu items are added to the Windows Start menu to provide easy access to Reference Documentation, which is online documentation web page.

During JDK installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JDK version on the system

Uninstalling the JDK on Windows

Uninstalling the JDK in Silent Mode

You can use the command line for uninstalling the JDK.

For example, to uninstall JDK 11, run the command:

Windows Installer dialog appears prompting you for confirmation. Click Yes to uninstall JDK.

Finding the JDK Registry Key and UninstallString Value

Under the Uninstall folder, you will find many registry entries within curly brackets.

Highlight Uninstall folder before performing search for a particular registry.

The registry key is highlighted on the right-hand side of the pane and values of various uninstall strings are displayed on the left-hand pane.

JDK Installation Troubleshooting

The following sections provide tips for resolving issues, if any, while installing JDK.

System Error During Decompression

Program Cannot Be Run in DOS Mode

Open the MS-DOS shell or command prompt window.

Right-click the title bar.

Select the Program tab.

Ensure that the item Prevent MS-DOS-based programs from detecting Windows is not selected.

Select OK again.

Exit the MS-DOS shell.

Restart your computer.

Characters That Are Not Part of the System Code Page

A 1722 error may occur if the installation directory is not part of the system locale’s code page. To prevent this, ensure that the user and system locales are identical, and that the installation path contains only characters that are part of the system locale’s code page. User and system locales can be set in the Regional Options or Regional Settings control panel.

The associated bug number is 4895647.

Cleanup the Registry After a Failed JDK Uninstall

Sometimes, attempts to uninstall JDK through the Windows Add/Remove program leave behind some Java entries in the registry that are not fully removed. These left behind registry entries can cause problems in installing a new version of Java. The following are the methods to cleanup registry entries:

Program Install and Uninstall troubleshooter (Recommended Method)

Run the Program Install and Uninstall troubleshooter to repair the corrupted registry keys that prevent programs from being completely uninstalled, or blocks new installations and updates.

Manually edit the registry (Use this only if the Fix It utility does not work)

Incorrectly editing your registry may severely damage your system. You should back up any valued data from your computer before making changes to the registry.

Use the File->Export functionality of the registry editor to save the registry key before deleting. In case you deleted the wrong registry key, you can restore the registry from your saved backup file, by using the File->Import functionality.

To delete the registry key:

How to download java

See supported System Configurations for information about supported platforms, operating systems, desktop managers, and browsers.

The minimum physical RAM is required to run graphically based applications. More RAM is recommended for applets running within a browser using the Java Plugin. Running with less memory may cause disk swapping which has a severe effect on performance. Very large programs may require more RAM for adequate performance.

For the amount of disk space required, see Windows Disk Space Requirements.

Installation Instructions

In this procedure, you will run the self-installing executable to unpack and install the JDK software bundle. As part of the JDK, this installation includes an option to include the public Java Runtime Environment. (The JDK also contains a private JRE for use only by its tools.)

For issues related to Windows Online Installation and Java Update. See this note on Proxy Settings and Authentication.

For example, if you were downloading the installer for update 1.6.0_01, the following file name:

1. Check the download file size (Optional)

If you save the self-installing executable to disk without running it from the download page at the web site, notice that its byte size is provided on the download page. Once the download has completed, check that you have downloaded the full, uncorrupted software file.

2. Run the JDK installer

You must have administrative permissions in order to install the JDK on Microsoft Windows.

Installed Directory Tree

The JDK has the directory structure shown below.

The JDK has the option of installing public JRE and JavaDB. For more information on JRE installation see the JRE Installation page.

JDK Silent Installation

You can perform a silent JDK installation by using the command-line arguments. The following arguments install JDK silently and provide an option of installing public JRE and JavaDB.

JDK installs public jre and javadb in the silent mode.

Use the command jdk.exe /s

JDK does not install public jre, but installs javadb in the silent mode.

Use the command jdk.exe /s ADDLOCAL=»ToolsFeature,DemosFeature,SourceFeature,JavaDBFeature»

JDK does not install javadb, but installs public jre in the silent mode.

Use the command jdk.exe /s ADDLOCAL=»ToolsFeature,DemosFeature,SourceFeature,PublicjreFeature»

JDK does not install either javadb or public jre in the silent mode.

Use the command jdk.exe /s ADDLOCAL=»ToolsFeature,DemosFeature,SourceFeature»

Install public jre and javadb to the specified directories.

Use the command jdk.exe /s /INSTALLDIRPUBJRE=c:\test\ /INSTALLDIRJAVADB=c:\testdb\

3. If you want to run Netscape 7.x, Mozilla 1.x, or Firefox 1.x with Java Plugin, do this:

4. Update the PATH variable (Optional)

You can run the JDK without setting the PATH variable, or you can optionally set it as a convenience.

Should I set the PATH variable?

C:>»\Program Files\Java\jdk1.6.0_ \bin\javac» MyClass.java

It’s useful to set the PATH permanently so it will persist after rebooting.

How do I set the PATH permanently?

To set the PATH permanently, add the full path of the jdk1.6.0_ \bin directory to the PATH variable. Typically this full path looks something like C:\Program Files\Java\jdk1.6.0_ \bin. Set the PATH as follows on Microsoft Windows:

Click Start > Control Panel > System on Windows XP or Start > Settings > Control Panel > System on Windows 2000.

Click Advanced > Environment Variables.

Add the location of bin folder of JDK installation for PATH in User Variables and System Variables. A typical value for PATH is:

C:\Program Files\Java\jdk1.6.0_ \bin

5. Start using the JDK!

Your computer system should now be ready to use the JDK. In this step, you’ll run some simple commands to make sure it is working properly.

If you are new to developing and running programs in the Java programming language, see The Java Tutorial online for some guidance. Note especially the tutorial trails under the heading Trails Covering the Basics.

You can also download the JDK documentation from the JDK download page.

Uninstalling the JDK

If you should ever want to uninstall the JDK, use the «Add/Remove Programs» utility in the Microsoft Windows Control Panel.

Location of VM Library Files (jvm.dll)

If you use the Invocation API to launch an application directly rather than using the Java application launcher, be sure to use the correct paths to invoke the Java HotSpot Client Virtual Machine (VM) or Java HotSpot Server VM, as desired. The path within the JDK to the Java HotSpot Client VM is:

jre/bin/client/jvm.dll (on x86)

The path to the Java HotSpot Server VM is:

jre/bin/server/jvm.dll (on x86)

jre/bin/server/jvm.dll (on IA64)

The corresponding locations in the Java SE Runtime Environment begin with jre1.6.0 instead of jre. The Exact VM and Classic VM are no longer part of the JDK, and existing code that uses the Invocation API to launch an application based on old paths to the Exact or Classic VMs will not work.

Troubleshooting the Installation

Below are some tips for working around problems that are sometimes seen during or following an installation. For more troubleshooting information, see the Java SE 6 documentation.

To prevent this problem, make sure that the user and system locales are identical, and that the installation path only contains characters that are part of the system locale’s code page. User and system locales can be set in the Regional Options or Regional Settings control panel.

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