Java Runtime Environment for Mac (JRE for Mac) allows you to play online games, chat with people around the world, calculate your mortgage interest, and view images in 3D, just to name a few. It's also integral to the intranet applications and other e-business solutions that are the foundation of corporate computing. About the security content of Java for Mac OS X 10.6 Update 2. This document describes the security content of Java for Mac OS X 10.6 Update 2. For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available.
How do I install Java for my Mac?This article applies to:
Mac System Requirements for Oracle Java 7 and later versions
Note that Apple has removed NPAPI plugin support in its Safari browser version 12, and therefore Java Plugin cannot be enabled in Safari browser version 12 and above. More info
The screen shots and instructions below are for Java 8 Update 65 (8u65). If you are installing another version, make sure you change the version number appropriately. Example: For Java 8 Update 65 (8u65) the file to download is jre-8u65-macosx-x64.pkg. Notifications about disabled Java and restoring prompts
The installer notifies you if Java content is disabled in web browsers, and provides instructions for enabling it. If you previously chose to hide some of the security prompts for applets and Java Web Start applications, the installer provides an option for restoring the prompts. The installer may ask you to reboot your computer if you chose not to restart an internet browser when it prompted you to do so.
Test Installation
To test that Java is installed and working properly on your computer, run this test applet.
Install Java on Mac
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This page describes how to install and uninstall JDK 8 for OS X computers.
This page has these topics:
See 'JDK 8 and JRE 8 Installation Start Here' for general information about installing JDK 8 and JRE 8.
See 'OS X Platform Install FAQ' for general information about installing JDK 8 on OS X.
System Requirements
Observe the following requirements:
Note that installing the JDK on OS X is performed on a system wide basis, for all users, and administrator privileges are required. You cannot install Java for a single user.
Installing the JDK also installs the JRE. The one exception is that the system will not replace the current JRE with a lower version. To install a lower version of the JRE, first uninstall the current version as described in 'Uninstalling the JRE'.
![]() JDK Installation Instructions
When you install the Java Development Kit (JDK), the associated Java Runtime Environment (JRE) is installed at the same time. The JavaFX SDK and Runtime are also installed and integrated into the standard JDK directory structure.
Depending on your processor, the downloaded file has one of the following names:
Where
version is 6 or later.
Determining the Default Version of the JDK
If you have not yet installed Apple's Java OS X 2012-006 update, then you are still using a version of Apple Java 6 that includes the plug-in and the Java Preferences app. See 'Note for Users of OS X that Include Apple Java 6 Plug-in'.
There can be multiple JDKs installed on a system, as many as you wish.
When launching a Java application through the command line, the system uses the default JDK. It is possible for the version of the JRE to be different than the version of the JDK.
You can determine which version of the JDK is the default by typing
java -version in a Terminal window. If the installed version is 8u6, you will see a string that includes the text 1.8.0_06. For example:
To run a different version of Java, either specify the full path, or use the
java_home tool:
For more information, see the java_home(1) man page.
Uninstalling the JDKJava For Mac 10.6.8
To uninstall the JDK, you must have Administrator privileges and execute the remove command either as root or by using the sudo(8) tool.
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For example, to uninstall 8u6:
Java For Mac YosemiteJava For Mac Install
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 you perform an update of the OS.
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