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How can I delete the JRE that ships with MATLAB and replace it with my own?

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I understand that MATLAB’s shipped version of the Java Runtime Environment (JRE) may depend on an outdated version of the MSVC library (msvcr100.dll). How can I delete the shipped version of the JRE and replace it with my own version?

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 29 May 2024 at 0:00
Edited: MathWorks Support Team on 29 May 2024 at 17:35
Although MATLAB ships with a version of the JRE, MATLAB, users can replace it with a different version. For more information on which JRE version is supported for each release of MATLAB, see this page:
Versions of OpenJDK Compatible with MATLAB by Release
 
Step 1: Install and setup your version of the Java JRE
For step-by-step instructions, select the link below that corresponds to your OS.
Note: Starting with R2021b, MATLAB users can call matlab_jenv to specify a custom JRE location.
Step 2: remove the Java JRE that is shipped with MATLAB
Delete the folder containing the JRE and the outdated MSVC library. MATLAB’s version of the shipped JRE is located in matlabroot/sys/java/jre, where the value of matlabroot for your installation can be determined with this MATLAB command
>> matlabroot
Delete the folder matlabroot/sys/java/jre.

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