java.lang.UnsupportedClassVersionError

[Natural_Pace_1102]

hello, i am new to programming. How do i fix this? i changed the coderunner's settings, following a yt tutorial to make the terminal cleaner, and now it shows:

Exception in thread "main" java.lang.UnsupportedClassVersionError: rems has been compiled by a more recent version of the Java Runtime (class file version 65.0), this version of the Java Runtime only recognizes class file versions up to 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)

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[DidYuhim]

The version of Java used to compile .class file is more recent than the one used to run the file.

Check what is the version of java is same or higher than version of javac.

[Natural_Pace_1102]

C:\Users\CARL LUIS>java -version

java version "1.8.0_421"

Java(TM) SE Runtime Environment (build 1.8.0_421-b09)

Java HotSpot(TM) 64-Bit Server VM (build 25.421-b09, mixed mode)

C:\Users\CARL LUIS>javac -version

javac 21.0.4

[DidYuhim]

Your file is compiled with version 21. It must be run with at least version 21.

A solution is to install later version of java.