This page describes how to install and uninstall JRE 8 on OS X computers.
1) brew cask install java 2) java -version java version '1.8.0131' Java(TM) SE Runtime Environment (build 1.8.0131-b11) P.S - Cask is an extension to Homebrew that is intended to manage large Mac binaries and graphical applications, but using the Homebrew interface.
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 JRE 8 on OS X.
System Requirements
Observe these requirements:
Note that installing the JRE 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.
Only one JRE can be installed at a time. The system will not install a JRE that has a lower version than the current version. If you wish to install a lower version of the JRE, uninstall the current version as described in 'Uninstalling the JRE'.
Installing a JRE from Oracle will not update
java -version symlinks or add java to your path. To be able to do this, you need to install the JDK.
JRE Downloaded File
Depending on your processor, the downloaded file has one of the following names, where
version is the update number:
Installing JRE 8u40
If you are installing JRE 8u40, then follow these steps:
Determining the Installed Version of the JRE
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'.
Only one JRE can be installed. Installing a JRE removes the previously installed JRE. The JRE version used by the system can be determined in one of two ways:
The system will not install a JRE that has a lower version than the current version. If you want to install a lower version, first uninstall the existing version.
Uninstalling the JRE
To uninstall the JRE, you must have Administrator privileges and execute the remove commands either as root or by using the sudo(8) tool.
Remove one directory and one file (a symlink), as follows:
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.
This page tells you how to download and install Java 8 and Eclipse on Mac OS X, and how to configure Eclipse.
Installing Java 8
Install Java MacInstalling EclipseJava 1.6 Download Free
Configuring EclipseJdk 1.8 Mac Download
You don't have to configure Eclipse the way I do, but you'll probably avoid some confusion if you do. Here's how.
Java 1.8 Download Mac Os X64
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