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

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MathWorks Support Team 2021-9-17

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https://ww2.mathworks.cn/matlabcentral/answers/1455629-how-can-i-delete-the-jre-that-ships-with-matlab-and-replace-it-with-my-own

回答： MathWorks Support Team 2021-9-17

I understand that MATLAB’s shipped version of the Java Runtime Environment (JRE) may depend on an outdated version of the MSVC library (msvcr100.dll).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?

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Answer 1

MathWorks Support Team 2021-9-17

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https://ww2.mathworks.cn/matlabcentral/answers/1455629-how-can-i-delete-the-jre-that-ships-with-matlab-and-replace-it-with-my-own#answer_789954

Although MATLAB ships with a version of the JRE, MATLAB, users can replace it with a different version.

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Delete the folder containing the JRE and the outdated MSVC library.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.