1. How To Update Java On Mac Os X
2. Update Java On Mac Os
3. Java On Mac Os X
4. How To Install Java On Mac Os X

The first requirement to uninstall Java on Mac OS – you should have administrator privileges.

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Second – you shouldn’t be afraid to use terminal.

This method works fine for any version of Java – 8, 9, 10, 11, 12, 13 or any other version.

Uninstalling Java on the Mac

1. Click on Launchpad in the dock
2. Search for Terminal and open it.
3. Copy and paste commands to uninstall Java completely

That’s it! Java is successfully deleted.

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1. Overview

In this quick article, we’ll take a look at how to set the JAVA_HOME variable on Windows, Mac OS X, and Linux.

2. Windows

2.1. Windows 10 and 8

1. Open Search and type advanced system settings
2. In the shown options, select the View advanced system settings link
3. Under the Advanced tab, click Environment Variables
4. In the System variables section, click New (or User variables for single user setting)
5. Set JAVA_HOME as the Variable name and the path to the JDK installation as the Variable value and click OK
6. Click OK and click Apply to apply the changes

2.2. Windows 7

1. On the Desktop, right-click My Computer and select Properties
2. Under the Advanced tab, click Environment Variables
3. In the System variables section, click New (or User variables for single user setting)
4. Set JAVA_HOME as the Variable name and the path to the JDK installation as the Variable value and click OK
5. Click OK and click Apply to apply the changes

Open Command Prompt and check the value of the JAVA_HOME variable:

The result should be the path to the JDK installation:

3. Mac OS X

3.1. Single User – Mac OS X 10.5 or Newer

From OS X 10.5, Apple introduced a command line tool (/usr/libexec/java_home) which dynamically finds the top Java version specified in Java Preferences for the current user.

Open ~/.bash_profile in any text editor and add:

Hi there, My laptop c rashed and my husband managed to put my original operating system on whi c h is OS X 10.9.5. I lost everything and my battery doesn't work any longer. I'm now trying to upgrade the operating system however I c an't seem to find any available option for an upgrade. The Mac OS X Mountain Lion was a closed source software with multiple open source components. The requirements for running the software include 2GB RAM and 8GB available storage. The software ran on all of Apple’s computers until it was replaced by the OS X 10.9 Mavericks.

Save and close the file.

Open a Terminal and run the source command to apply the changes:

Now we can check the value of the JAVA_HOME variable:

The result should be the path to the JDK installation:

3.2. Single User – Mac OS X Older Versions

For older versions of OS X, we have to set the exact path to the JDK installation:

Open ~/.bash_profile in any editor and add:

Save and close the file.

Open a Terminal and run the source command to apply the changes:

Now we can check the value of the JAVA_HOME variable:

The result should be the path to the JDK installation:

3.3. Global Setting

To set JAVA_HOME globally for all users, the steps are the same as for single user, but the file /etc/profile is used.

4. Linux

We're going to manipulate the PATH here, of course – so, if you haven't done that before, here are the detailed instructions on how to do it.

4.1 Single User

To set JAVA_HOME in Linux for a single user, we can use /etc/profile or /etc/environment (preferred for system-wide setting) or ~/.bashrc (user-specific setting).

Open ~/.bashrc in any text editor and add:

Save and close the file.

Run the source command to load the variable:

Now we can check the value of the JAVA_HOME variable:

The result should be the path to the JDK installation:

4.2 Global Setting

To set JAVA_HOME in Linux for all users, we can use /etc/profile or /etc/environment (preferred).

Open /etc/environment in any text editor and add:

Please note that /etc/environment is not a script, but a list of assignment expressions (that is why export is not used). This file is read at the time of login.

To set JAVA_HOME using /etc/profile, open the file and add:

Update Java On Mac Os

Run the source command to load the variable:

Java On Mac Os X

Now we can check the value of the JAVA_HOME variable:

The result should be the path to the JDK installation:

5. Conclusion

In this article, we have covered ways to set the JAVA_HOME environment variable on Windows, Mac OS X, and Linux.

How To Install Java On Mac Os X