If you usually play games online, view 3D images, or chat with people through online chat-rooms, then give yourself a quick break because it’s time for the regular checkup. Java checkup.
The installed version is Apple's Java 1.6 VM. Oracle will provide Java for Mac starting with Java 1.7 (which was just recently released for Windows and Linux). Java 1.7 isn't yet available for the Mac but supposedly will be 'soon'. Also supposedly, future versions of Java will be release for all three platforms at the same time by Oracle. Mac OS X 10.7.1 Source. Project. Java, UNIX, and WebKit. Open development of select macOS projects.
Updating Java minimizes security risk.
Java installed on your Mac doesn’t necessarily mean your machine can go berserk. But when there’s a newer version of Java available, you may want to take your time off and update it, as it can put your machine’s security and performance up to par.
Malicious Java applets, security loopholes, and system’s performance in question is always tailored in the latest update, and hence it is essential for any OSX Lion user to update Java to its latest version.
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There are several ways for updating Java on your Mac machine. One of the easiest way to locate, download and install Java is to use Software Update.
For those who are unfamiliar with Software Update, click on the Apple menu (located on top-left corner of your Mac’s screen) and select Software Update. A window then pops up, connects to the Internet to find updates.
Along with the latest Java update, you may also get updates of any third-party applications, video drivers (to avoid freezing of games), and Mac OS updates to improve your experience on Mac.
Also, every Java update relevant to Mac OS is published on Apple website. For instance, the recent version of Java for OSX Lion 10.7 is available for download on this page. If you are not able to download and install Java off Software Update, then this is the path you should choose.
Downloading the Java update from Apple’s website is as easy as it gets. Also, keep an eye on Apple’s Download page to be the first to find out more about the future releases and download them.
Related posts:
See JDK 7 and JRE 7 Installation Guide for general information about installing JDK 7 and JRE 7.
See the Mac OS X Platform Install FAQ for general information about installing JRE 7 on Mac OS X.
Contents
System Requirements
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- Any Intel-based Mac running Mac OS X 10.7.3 (Lion) or later.
- Administrator privileges.
Note that installing the JRE on a Mac 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, first uninstall the current version. 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 7 Installation Instructions
The JRE installation includes the JavaFX Runtime which is incorporated into the same directory structure.
Installation of the 64-bit JRE on Mac Platforms
Depending on your processor, the downloaded file has one of the following names:
- jre-7u<version>-macosx-amd64.dmg
- jre-7u<version>-macosx-x64.dmg
Where <version> is 6 or later.
1. Download the file. Before the file can be downloaded, you must accept the license agreement.
2. From either the Downloads window of the browser, or from the file browser, double click the .dmg file to launch it.
3. 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.
4. The Install app displays the Introduction window. Click Continue.
4a. Note that, 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.
5. The Installation Type window appears. Click Install.
6. A window appears which says 'Installer is trying to install new software. Type your password to allow this.' Enter the Administrator login and password and click Install Software.
7. The software is installed and a confirmation window appears.
After the software is installed, delete the dmg file if you want to save disk space.
Determining the Installed Version of the JRE
If you have not yet installed Apple's Java Mac 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 Macs 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:
- From System Preferences click the Java icon from the Other category. This launches the Java Control Panel. Click About....
- Type the following in a Terminal window:
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
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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:
- Navigate to /Library/Internet Plug-Ins and remove the JavaAppletPlugin.plugin directory.
- Navigate to /Library/PreferencePanes and remove JavaControlPanel.prefpane.
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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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