java mac install

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http://docs.oracle.com/javase/8/docs/technotes/guides/install/mac_jdk.html#A1096855

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:

  • 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

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-8uversion-macosx-amd64.dmg

  • jdk-8uversion-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.




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