Sep 25, 2014. Feb 28, 2019. To test that Java is installed and working properly on your computer, run this test applet. Install Java on Mac. Download the jre-8u65-macosx-x64.pkg file. Review and agree to the terms of the license agreement before downloading the file. Double-click the.pkg file to launch it; Double-click on the package icon to launch install Wizard.

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Provides support for running both web and local Java based applications on a Mac computer, in business, personal computing or public environments

Java is a runtime environment maintained by Oracle that you must install on your Mac to be able to run applications written using the Java programming language.

Moreover, Java allows developers to make apps available on multiple operating systems at the same time because Java-based utilities will run on any platform that can integrate the runtime environment.

Quickly deploy the Java technology on your Mac

The Java Runtime Environment comes with its own installer package which makes the entire procedure very straightforward: simply follow the on screen instructions, but keep in mind that the administrator password is required.

In addition, the JRE automatically checks if there are any updates available and displays notifications whenever you need to upgrade your version. Since the patches include both stability improvements and security fixes, it is highly recommended to update your version as soon as possible.

Personalize your JRE via the Java Preferences Pane

The Java installer adds a preferences pane to your System Preferences window: as a result, you can view details about your current version, adjust the network settings (you can set up a proxy if needed), change the location for the temporary files, or adjust the security level when dealing with Java content in your browser.

Moreover, via the Advanced panel, you can enable the debugging functions or the Java console, set up rules regarding the shortcut creation, the JNLP file/ MIME association, the app installation, or toggle the advanced security settings.

Essential software package for running Java apps on your Mac

Making sure the Java software is installed on your Mac before trying to use Java apps is imperative if you want everything to run smoothly.

All in all, the Java technology is quite user friendly: after the initial installation, the JRE takes charge whenever necessary, and you receive notifications if an update is available.

Filed under

• Administrator privileges for installation
• 64-bit web browser

• IANA Data 2017b:
• JDK 8u144 contains IANA time zone data version 2017b.
• BUG FIXES:

Java (JRE) 8 Build 261

runs on:

Mac OS X 10.7.3 or later (Intel only)

file size:

84 MB

filename:

jre-8u261-macosx-x64.dmg

main category:

System Utilities

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This topic includes the following sections:

System Requirements for Installing the JDK on macOS

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The following are the system requirements for installing the JDK on macOS:

• Any Intel-based computer running macOS.

• Administrator privileges.

  You cannot install Java for a single user. Installing the JDK on macOS is performed on a systemwide basis for all users. Administrator privileges are required to install the JDK on macOS.

Determining the Default JDK Version on macOS

When starting a Java application through the command line, the system uses the default JDK.

You can determine which version of the JDK is the default by entering java -version in a Terminal window. If the installed version is 13 Interim 0, Update 0, and Patch 0, then you see a string that includes the text 13. For example:

To run a different version of Java, either specify the full path, or use the java_home tool. For example:

$ /usr/libexec/java_home -v 13 --exec javac -version

Installing the JDK on macOS

1. Download the JDK .dmg file, jdk-13.interim.update.patch_osx-x64_bin.dmg.

   Before the file can be downloaded, you must accept the license agreement.

2. From either the browser Downloads window or from the file browser, double-click the .dmg file to start it.
   A Finder window appears that contains an icon of an open box and the name of the .pkg file.
3. Double-click the JDK 13.pkg icon to start the installation application.
   The installation application displays the Introduction window.
4. Click Continue.
5. Click Install.
   A window appears that displays the message: Installer is trying to install new software. Enter your password to allow this.
6. Enter the Administrator user name and password and click Install Software.
   The software is installed and a confirmation window is displayed.

Uninstalling the JDK on macOS

Java Jdk Mac

Note:

Do not attempt to uninstall Java by removing the Java tools from /usr/bin. This directory is part of the system software and any changes will be reset by Apple the next time that you perform an update of the OS.

1. Go to /Library/Java/JavaVirtualMachines.
2. Remove the directory whose name matches the following format by executing the rm command as a root user or by using the sudo tool:
   /Library/Java/JavaVirtualMachines/jdk-13.interim.update.patch.jdk

   For example, to uninstall 13 Interim 0 Update 0 Patch 0:

   $ rm -rf jdk-13.jdk

Installation FAQ on macOS Platform

This topic provides answers for the following frequently asked questions about installing JDK on macOS computers.

1. How do I find out which version of Java is the system default?

When you run a Java application from the command line, it uses the default JDK. If you do not develop Java applications, then you do not need to worry about this. See Determining the Default JDK Version on macOS.

2. How do I uninstall Java?

See Uninstalling the JDK on macOS.

3. After installing Java for macOS 2012-006, can I continue to use Apple's Java 6 alongside the macOS JDK for Java 13?

If you want to continue to develop with Java 6 using command-line, then you can modify the startup script for your favorite command environment. For bash, use this:

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$ export JAVA_HOME=`/usr/libexec/java_home -v 13`

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Some applications use /usr/bin/java to call Java. After installing Java for macOS 2012-006, /usr/bin/java will find the newest JDK installed, and will use that for all of the Java-related command-line tools in /usr/bin. You may need to modify those applications to find Java 6, or contact the developer for a newer version of the application.

Install Jdk Mac

4. What happened to the Java Preferences app in Application Utilities?

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The Java Preferences app was part of the Apple Java installation and is not used by Oracle Java. Therefore, macOS releases from Apple that do not include Apple Java will not include Java Preferences.