Where is Java Installed on Mac OS X?

JavaMacos

Java Problem Overview

I just downloaded Java 7u17 on Mac OS 10.7.5 from here and then successfully installed it. In order to do some JNI programming, I need to know where Java installed on my Mac.

I thought that inside the /Library/Java/JavaVirtualMachines/ folder, there would be a folder called 1.7.0.jdk or something, but then I found that the folder is empty. This was confirmed by running ls /Library/Java/JavaVirtualMachines/ in the Terminal. I've tried searching for it to find out if it was installed somewhere else, but that doesn't seem to be turning anything up.

Could someone please tell me where Java is installed on my Mac?

Java Solutions

Solution 1 - Java

Use /usr/libexec/java_home -v 1.8 command on a terminal shell to figure out where is your Java 1.8 home directory

If you just want to find out the home directory of your most recent version of Java, omit the version. e.g. /usr/libexec/java_home

Solution 2 - Java

You could use

/usr/libexec/java_home

command in your terminal to know the path where Java being installed.

Solution 3 - Java

Turns out that I actually had the Java 7 JRE installed, not the JDK. The correct download link is here. After installing it, jdk1.7.0jdk appears in the JavaVirtualMachines directory.

Solution 4 - Java

If you install just the JRE, it seems to be put at:

/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home

Solution 5 - Java

Use unix find function to find javas installed...

sudo find / -name java

Solution 6 - Java

Try This, It's easy way to find java installed path in Mac OS X,

GoTO

1 ) /Library i.e Macintosh HD/Library

enter image description here

  1. Click on Library in that we find Java folder.

enter image description here

  1. So final path is

    /Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home

Hope so this is help for someone .

Solution 7 - Java

If you type

java -verbose

This also gives the location from which the jars are loaded and hence also the java path.

Solution 8 - Java

Java package structure of Mac OS is a bit different from Windows. Don't be upset for this as a developer just needs to set PATH and JAVA_HOME.

So in .bash_profile set JAVA_HOME and PATH as below. This example is for Java 6:

export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
export PATH=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin:$PATH

Solution 9 - Java

just write /Library/Java/JavaVirtualMachines/
in Go to Folder --> Go in Finder

Solution 10 - Java

Edited: Alias to current java version is /Library/Java/Home

For more information: a link

Solution 11 - Java

type which java in terminal to show where it is installed.

Solution 12 - Java

For :

  • OS X : 10.11.6

  • Java : 8

I confirm the answer of @Morrie .

   export JAVA_HOME=/Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin/Contents/Home;

But if you are running containers your life will be easier

Solution 13 - Java

I have just installed the JDK for version 21 of Java SE 7 and found that it is installed in a different directory from Apple's Java 6. It is in /Library/Java... rather then in /System/Library/Java.... Running /usr/libexec/java_home -v 1.7 versus -v 1.6 will confirm this.

Solution 14 - Java

I tried serkan's solution, it found java 7's location on OS X Mavericks. it is resided in "/Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/" but to make it the default JDK I had to set JAVA_HOME system variable in .bash_profile in home directory to "/Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home/" so its up and running now thanks to serkan's idea

Solution 15 - Java

In case you have multiple Java versions installed, use:

$ /usr/libexec/java_home --verbose

or:

$ /usr/libexec/java_home -V (That's an uppercase V!)

to list all versions and architectures.

Sample output:

$ /usr/libexec/java_home -V
Matching Java Virtual Machines (4):
    12.0.1 (x86_64) "Oracle Corporation" - "Java SE 12.0.1" /Library/Java/JavaVirtualMachines/jdk-12.0.1.jdk/Contents/Home
    1.8.202.08 (x86_64) "Oracle Corporation" - "Java" /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
    1.8.0_282 (x86_64) "Amazon" - "Amazon Corretto 8" /Users/username/Library/Java/JavaVirtualMachines/corretto-1.8.0_282/Contents/Home
    1.8.0_202 (x86_64) "Oracle Corporation" - "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home
/Library/Java/JavaVirtualMachines/jdk-12.0.1.jdk/Contents/Home

Solution 16 - Java

if you are using sdkman

you can check it with sdk home java <installed_java_version>

$  sdk home java 8.0.252.j9-adpt
/Users/admin/.sdkman/candidates/java/8.0.252.j9-adpt

you can get your installed java version with

$ sdk list java

Solution 17 - Java

Try to check in here
/Library/Java/JavaVirtualMachines

Solution 18 - Java

The System Preferences then Java control panel then Java then View will show the exact location of the currently installed default JRE.

Solution 19 - Java

MacOS BigSur

Add following under .zshrc file. If .zshrc is not present, create and add.

export JAVA_HOME=`/usr/libexec/java_home`
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