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.
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Java development kit for mac free download - Microsoft Silverlight Software Development Kit Update 5/21/2007 for Mac, OpenGL Development Kit, Apple Java for OS X 10.6, and many more programs. Java developer kit for mac free download - Java Development Kit (64-Bit), Java Development Kit (32 bit), Java SE Development Kit, and many more programs. Installing Java SE Development Kit on Mac What is a JDK? The Java SE Development Kit, or JDK, is an extended subset of tools that allow for developing applications for the Java programming language. The installation process is very straight forward: Navigate to the Java SE Downloads page. Choose the JDK Download: Agree to terms and download the. Java Development Kit for Mac includes a wide variety of tools for streamlined developing, debugging, testing, and monitoring of Java applications. The package contains more than 30 individual tools and services which can be used to control every aspect of Java application development, from concept to final phase and deployment to end users.
See 'OS X Platform Install FAQ' for general information about installing JDK 8 on OS X.
System Requirements
Observe the following requirements:
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- Any Intel-based computer running OS X 10.8 (Mountain Lion) or later.
- Administrator privileges.
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
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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:
jdk-8u
version
-macosx-amd64.dmg
jdk-8u
version
-macosx-x64.dmg
Where
version
is 6 or later.- Download the file.Before the file can be downloaded, you must accept the license agreement.
- From either the Downloads window of the browser, or from the file browser, double click the
.dmg
file to launch it.A Finder window appears containing an icon of an open box and the name of the.pkg
file. - Double click the package icon to launch the Install app.The Install app displays the Introduction window.Note:In some cases, a Destination Select window appears. This is a bug, as there is only one option available. If you see this window, select Install for all users of this computer to enable the Continue button.
- Click Continue.The Installation Type window appears.
- Click Install.A window appears that says 'Installer is trying to install new software. Type your password to allow this.'
- Enter the Administrator login and password and click Install Software.The software is installed and a confirmation window appears.
- Refer to
http://www.oracle.com/technetwork/java/javase/downloads/jdk-for-mac-readme-1564562.html
for more information about the installation. - After the software is installed, delete the
.dmg
file if you want to save disk space.
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.
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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 JDK
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 Development Kit 8 For Mac
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.