Newest post on how to install Oracle JDK 8 / Java SE 8 on Mac OS X 10.10 Yosemite can be found here.

At the time of this writing, there is no official release of Java SE 7 / Oracle JDK 1.7 on Mac OS X. It is still in developer preview based on Apple’s contributions to OpenJDK. The Developer Preview is provided to the community so that the developers can get feedback on the ongoing progress of the project. The developer preview should work on any Intel-based Mac and has been tested on Mac OS X 10.6.8 (Snow Leopard) and 10.7 (Lion).
UPDATE
Java 1 6 free download - Apple Java for OS X 10.6, Apple Mac OS Update 8.6, Apple Mac OS Update 7.6.1, and many more programs. For more information see Java for OS X 2012-006 KB. This SK is relevant for: Mac OS X Lion v10.7 or later; Mac OS X Mountain Lion v10.8 or later; Download the latest version of the Java applet plug-in from Oracle, available here. Or Manually re-enable the Apple-provided Java SE 6 applet plug-in. Instructions are available in HT5559 Apple KB. Download the Java SE 6 for OSX (click the Download button) Once the download finishes, install the dmg file following the onscreen instructions. When you have Java Runtime 6 installed on your Mac, you can launch Adobe CS5 (or any other app that require Java 6 runtime). Note: You DO NOT need to restart your Mac before launching the app. 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.
Oracle has launched the official Java SE 7 for Mac OS X 64-bit platform. You can download it from here.
This tutorial shows you how to install Java SE 7 Developer Preview on Mac OS X 10.7.2 Lion running on my MacBook Pro.
1. Download the Oracle JDK7 Mac OS X port dmg file from here. At the time of this writing, the version of the JDK7 is Oracle JDK7 build b223 released on December 23, 2011. The dmg file name is jdk-7-ea-macosx-b223.dmg
2. Create a JavaVirtualMachines folder under /Library/Java if it doesn’t exist. Apple updates for macbook pro.
In my case, the JavaVirtualMachines is already there so I don’t need to create it manually.
3. Open the jdk-7-ea-macosx-b223.dmg file by double-clicking on it. Then drag the JDK 1.7.0 Developer Preview icon in the left side to the JavaVirtualMachines icon folder in the right side.
4. Go to /Library/Java/JavaVirtualMachines directory using Finder application. Then double-click the ‘JDK 1.7.0 Developer Preview’ icon. This will open the Java Preferences window. Here you can change the preferred order of the installed Java platforms by dragging it up or down. Make sure the Java SE 7 is in the preferred order or you can simply deselect the Java SE 6 version.
5. Now issue the ‘java -version’ command in the terminal window to verify.
6. Done
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Java Runtime version 1.6 (aka Java 6) or later is required for jEdit 4.4 and later.
Java Runtime version 1.7 (aka Java 7) or later is required for jEdit 5.2 and later.
Java Runtime version 1.8 (aka Java 8) or later is required for jEdit 5.4 and later.
Java Runtime version 11 (aka Java 11) or later is required for jEdit 5.6 and later.
Before installing jEdit, make sure you have a compatible Java virtual machine; see the compatibility page for details.
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Option 1 - manual download and install on any OS

| Stable version: jEdit 5.6.0 Changes | |||
| Download: | Java-based installer | 3.7 MiB | (For any operating system) |
| Windows Installer | 4.8 MiB | ||
| OS X package | 5.5 MiB | ||
| Debian package | 4.9 MiB | ||
| Slackware package | 4.9 MiB | ||
| User's guide | 0.6 MiB | (PDF with A4 paper, 149 pages) | |
| User's guide | 0.6 MiB | (PDF with US letter paper, 159 pages) | |
| Source code | 2.5 MiB | ||
| Daily Builds: jEdit 5.7pre1 (development trunk) Changes | |||
| Download: | Daily Builds | ||
Note: the above links are not to the files themselves, but ratherto pages where you can select a download mirror. Do not use yourbrowser's 'Download Link' command on the above links.

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Installation instructions are available for the following operating systems:
Using the Java-based installer
Download Java 8 For Mac
If you would like to write installation instructions for a platformnot listed here, e-mail me.Java 1.6 Jdk Download Mac
Option 2 - easy install on some flavors of *nix
- FreeBSD users can find install jEdit from the ports collection by running:
- Gentoo Linuxusers can install jEdit from the portage tree by running
emerge jedit. - To install jEdit via Debian Linux
apt-get(this is also for any Debian based Distros like Ubuntu),add the following line to your/etc/apt/sources.list:e. g.Then, just run
apt-get update, followed byapt-get install jedit.The repository is now also secured and signed. To verify the packagesyou have to install the public key with which the repository is signed.This can be done by invoking
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E6A233DBE3AFBEFCJava for mac os x 10.8 download.If you prefer manual installation of .deb files you can also download theDebian packagemanually.
- If you use apt4rpm, urpmi, or a similar tool with an RPM-based Linuxdistribution,you can automatically stay up to date with the latest version of jEditusing the JPackage RPM repository.