Now see how to download and install JDK 8 & JRE in Mac OS without any confusion. The Java SE Development Kit 8 has many releases from JDK 8 to JDK 8u241. Here in this blog we will see the installation of JDK 8u241 on MacOS 10.15 Catalina. We will download and install java on MAC OS. If you wish to install java on Windows you may skip this tutorial and may refer our tutorial Install JDK on Windows and Set Environment Path on Windows. But make sure that it’s version is either 8 or 9 as JMeter4.0 does not support Java 10 and Java 7 or it’s prior versions. 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.
Download Java 8 Mac Os X
Update III – 2020-05-06: There are now alternatives available to using the official Oracle Java 8 JDK. I’m currently using AdoptOpenJDK‘s version that you can install by usingbrew cask install adoptopenjdk8. So far this seems to do everything I need a JDK for. Just keep in mind that I mostly use my JDKs when I’m working on Clojure code.
Update II – 2019-05-07: It looks like due to the recent licensing changes, the Java 8 JDK that brew used is not directly accessible anymore and likely behind some kind of paywall. The installation method described below will still work as it uses the non-versioned java cask, which installs the latest version of OpenJDK.
Update: The title of this post isn’t quite correct – using the homebrew cask mentioned in this blog post will install the current major version of the Oracle JDK. If you want to install a specific major version of the JDK (6 or 8 at the time of writing), I describe how to do that in this new blog post.
I’ve had a ‘manual’ install of JDK 8 on my Mac for quite a while, mainly to run Clojure. It was the typical “download from the Oracle website, then manually run the installer” deployment. As I move the management of more development tools from manual management over to homebrew, I decided to use homebrew to manage my Java installation also. It’s just so much easier to get updates and update information all in one place. Oh, and installs the same JDK anyway, just without all the additional pointy clicky work.
Removing the existing installation
Java 8 Download Mac Os X
Fortunately Oracle has uninstall operations on their website. It’s a rather manual approach but at least it is documented and the whole procedure consists of three commands. Unfortunately in my case this didn’t end up uninstalling an older version of the JDK. For some reason, I had ended up with both 1.8.0_60 and 1.8.0_131 installed on my machine, and Oracle’s uninstall instructions didn’t touch the 1.8.0_60 install in /System/Library/Frameworks/JavaVM.framework. I suspect this is an older JDK brought over from the Yosemite install and the consensus on the Internet I could find suggest to leave that alone as the system needs those.
Apparently in older versions of OS X is was possible to run /usr/libexec/java_home -uninstall to get rid of a Java install, but that option does not appear to work in OS X Sierra anymore
Installing Java using Homebrew
The installation via homebrew is about as simple as expected. I have cask installed already, so for me it’s a simple matter of running
and it will install the latest Oracle JDK. You can use
to verify which version it will install.
If you haven’t got homebrew installed, follow the installation instructions on docs.brew.sh and also make sure that you install cask:
After re-installing the JDK using homebrew, java_home also finally reports the correct version:
To install Java on MacOS you need to go to the official Oracle download page and click on the major version of Java.
Press “JDK Download” link and scroll down and download macOS Installer.
When downloading is finished launch dmg file and double-click on the icon.
Java installer welcome page will be opened.
Press “Continue”.
Press “Install”.
So Java is successfully installed and ready to use.
To check Java version you need:
- Open Launchpad
- Find and open Terminal
- Type java -version
Output: