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Editorial Team
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Asked: 2026-06-03T02:57:17+00:00

I’m using JCreator to work with Java. I got this exception (or maybe error?)

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I’m using JCreator to work with Java. I got this exception (or maybe error?) it says the following:

major version 51 is newer than 50, the highest major version supported by this compiler.
It is recommended that the compiler be upgraded.

I downloaded the last version of Java SE, but that didn’t work.

By the way, Java files compile fine and also run without any problem. But I have downloaded a file that my instructor has upload with many java classes and this message appears when I try to run the class that has the main method.

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1 Answer

  1. Editorial Team

    I’ve never used JCreator, but a little bit of Googling gave me this page of JCreator installation instructions, which has the following instructions for manually setting the JDK that JCreator uses:

    • Starting JCreator Without Using the Setup Wizard

    • With JCreator active, open the Options window from the Configure menu.

    • Click the JDK Profiles option.

    • Click the default item in the list, and click Edit.

    • Ensure that the Name field shows the correct version of the selected JDK directory; in this case, JDK version jdk1.6.0. [ That’s a typo I think … ]

    • Set the JDK Home path by clicking the Browse button next to this field.

    • Browse to the root directory of the JDK installation: C:..\jdk1.7.0. Click OK.

    • Click the Documentation tab, and Add the path: C:..\jdk1.7.0\docs. Click OK.

    • Close the windows.

    Yours is a slightly different scenario, but I think these instructions should also work for changing the JDK for an existing installation of JCreator.

    (Use the pathnames of your latest JDK installation … obviously.)

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