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First, Download a binary distribution of Groovy and unpack it into some file on your local file system. Set your GROOVYHOME environment variable to the directory you unpacked the distribution. Add GROOVYHOME/bin to your PATH environment variable. Set your JAVAHOME environment variable to point to your JDK. On OS X this is /Library/Java/Home, on other unixes.

05 Feb 2019

Java SE 7 Archive Downloads. Go to the Oracle Java Archive page. Thank you for downloading this release of the Java TM Platform, Standard Edition Development Kit (JDK TM).The JDK is a development environment for building applications, applets, and components using the Java programming language.
On Mac, Homebrew is the de-facto package manager, and Homebrew Cask is the app manager. I’m going to use Cask to install Java 7 and 8. Install Homebrew Cask first if you haven’t: brew update brew tap caskroom/cask brew install brew-cask If your brew or cask is outdated, update and upgrade.
The adoptopenjdk cask will automatically upgrade to the newest patch or major release as soon as it comes out. To stay with a specific major release, activate the AdoptOpenJDK tap with brew tap and then install the desired version with brew install -cask: $ brew tap AdoptOpenJDK/openjdk.

MacOS has OpenJDK installed by default however I prefer to use Oracle’s versionof JDK because its the official version. I don’t want to install it the same wayOracle instructs it on their docs as I find it very tedious. I’m a guy who lovesautomating stuff so I prefer to install it via Homebrew. I frequently do a cleaninstall on my Mac every time there is a new version of OSX so I have to installJDK again and again. I’d rather just run a single installation script instead ofheading over to Oracle’s website and following their instructions.

Steps to install and configure the Oracle JDK:

Homebrew and Cask

Homebrew is a package manager for Mac and has always been my preferred way toinstall my command line tools because I can integrate it with my setup scripts.To install it I’ll run

then I’ll install Homebrew Cask which is an extension of Homebrew. It makesthe installation of large binaries and graphical applications simpler.

JDK Installation

Before I install the JDK, I’ll check first which version it will install bydefault. I’m very picky about the version because most of the time I just useJava for Android development. I also prefer the older and more stable version ofJDK so I run

which will output

This means that the latest version is JDK 11. I can install it now by running

Jdk Install Mac

but I prefer to install JDK 8 over 11 so instead I’ll run

Jdk Download Osx

Setup Java_HOME environment variable

Once installed, I will set the JAVA_HOME environment variable by editing my.bash_profile

and inserting this line

and applying these changes by running

Verifying Installation

Now to confirm if the installation was sucessful I’ll run this command.

If the installation is successful, its output would be similiar to this

This tells me that I have installed the Oracle version of the JDK. However ifthe output is like this

then I may have failed to install the JDK properly or the changes may not havebeen applied yet because I can see that OpenJDK is still being used. I’ll try tofix this by restarting my Mac then running “java -version” again.

Automating installation with a script

Below is a simple script to automate the installation of the latest Oracle JDK.

That’s it! Now you can automate your JDK installation on you Mac by running thescript.

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Java is a general-purpose, secure, robust, object-oriented language developed by Sun Microsystems in 1990. Java is portable which means it follows to write once run anywhere paradigm. Many of the useful application are build on Java and required Java runtime environment. If you are preparing your system for the developing new java applications, you need to install JDK on your machine.

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The latest version is Java 15 which was released in September 15, 2020. This tutorial helps you to install Java on macOS system.

Step 1 – Prerequisites

Before starting the installation of Java using this tutorial you must have the following prerequisites

Terminal: You must have Mac Terminal access and little knowledge about working with the terminal application. Ao login to your Mac system and open terminal
Homebrew: This tutorial relies on Homebrew, So you must have homebrew installed. Homebrew can be installed with a single command.

For more instruction visit Homebrew installation tutorial.

Step 2 – Install JAVA on macOS

At the time of writing this tutorial the available version, Java 11 LTS and Java 15 latest for the installation.

Tap adoptopenjdk/openjdk- Use the following commands to view the details about java versions to be install.
Search Available JDK- View all the available Java versions to install
Install Java – Use one of the following commands to install Java 8, 9, 10, 11, 12, 13, 14 and 15. Generally, we required Java 8, 11 LTS versions.
The installation process may take some time to complete depending on your network speed.
Check Version – Once the installation finished, verify the installed Java version.
Default latest installed version will be active on your machine.

Step 3 – Switching Between Java Version’s

You system may have installed multiple Java versions. For example, I have installed Java 8, 11 and 15 on my system. To view the installed Java version execute:

Create or edit the existing ~/.bash_profile in your favorite text editor. Then export JAVA_HOME environment variable to specific java version, you want to use as default on Mac.

Save file and close it. The above settings will make JAVA_HOME point to JAVA 11.

Execute the following command to reload environment.

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All done, check the current active java version

When you want to switch JDK version again, update the ~/.bash_profile and export JAVA_HOME to other JDK version.

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Conclusion

A to z odia video song. This tutorial explained you to how to install Java on macOS. Also provides you steps to switching between multiple installed Java versions.

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You can visit Github page of the OpenJDK casks.