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This article shows you how to install Java on Mac OSX, and also how to do Java/JDK version switching.
Download Java for OS X 2017-001 aka Apple’s version of Legacy Java Command-line tool. Mount the.dmg disk image file and install Java 6 runtime for OS X. Restart your Mac and enjoy the absence of this Java command-line tool error pop-up!
This site requires JavaScript to be enabled. Download Java Update for Mac OS X 10.3.9 for Mac to upgrade your version of Java for functional enhancements and improved stability.
Tested with
- Mac OS 10.15.3
- JDK 8, 9, 10, 11, 12, 13 (AdoptOpenJDK)
Note
On Mac OSX, Java should installed in this folder; it is Mac’s standard.
On Mac OSX, Java should installed in this folder; it is Mac’s standard.
We will show you two ways to install Java JDK on Mac, via the popular Homebrew package manager and manually installation.
1. Homebrew
1.1 Install Homebrew and update it.
1.2 Add adoptopenjdk/openjdk.
1.3 Find all available JDK.
The output may vary.
1.4 Java 8, 9, 10, 11, 12, 13, choose one to install.
This example will install Java 8 and 11 for testing.
1.5 Where Java is installed?
/usr/libexec/java_home -V
Homebrew will install the JDK at folder
/Library/Java/JavaVirtualMachines/
, and this folder is Mac’s standard folder for Java installs.1.6 Test it, by default, Mac takes the highest version.
1.7 How to do version switching? Refer to below 3. version switching
2. Manual installation
The example shows you how to download the early access JDK 14 and install it on Mac OSX.
Steps
![Mac os x java download Mac os x java download](/uploads/1/1/9/3/119368240/993925171.jpg)
- Download JDK.
- Puts the JDK folder at
/Library/Java/JavaVirtualMachines
. - Export
JAVA_HOME
.
2.1 Download the early access JDK 14 from the OpenJDK website.
2.2 Extracts tar file to
/Library/Java/JavaVirtualMachines
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2.3 Export
JAVA_HOME
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Find out where is JDK 14.
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Create or edit the existing
~/.bash_profile
with a text editor.Export
JAVA_HOME
, save and exit.~/.bash_profile
Reflect the changes
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2.4 Test it.
3. Version Switching
In this tutorial, we installed the Java 8 and Java 11 via
Homebrew
(Step 1), and Java 14 manually (Step 2), so this Mac has three versions now. And the Mac is using the JDK 14.Note
There are tools like jEnv to manage the Java version switching, but I prefer to manage with
There are tools like jEnv to manage the Java version switching, but I prefer to manage with
export JAVA_HOME
manually, it’s simple and easy to understand, no black box magic.3.1 Create or edit the existing
~/.bash_profile
with a text editor like vim or nano, export JAVA_HOME
to the specified JDK we want to use on Mac.The above changes will make
JAVA_HOME
point to JAVA 8.3.2 Reflect the changes.
Done.
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If we want to switch JDK version again, update the
~/.bash_profile
and export JAVA_HOME
to other JDK version.References
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