Class has been compiled by a more recent version of the Java Environment

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Class has been compiled by a more recent version of the Java Environment

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  1. Class has been compiled by a more recent version of the Java Environment

    This is just a version mismatch. You have compiled your code using java version 9 and your current JRE is version 8. Try upgrading your JRE to 9.

  2. Class has been compiled by a more recent version of the Java Environment

    This is just a version mismatch. You have compiled your code using java version 9 and your current JRE is version 8. Try upgrading your JRE to 9.

Solution 1

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This is just a version mismatch. You have compiled your code using java version 9 and your current JRE is version 8. Try upgrading your JRE to 9.

49 = Java 5
50 = Java 6
51 = Java 7
52 = Java 8
53 = Java 9
54 = Java 10
55 = Java 11
56 = Java 12
57 = Java 13
58 = Java 14
59 = Java 15
60 = Java 16
61 = Java 17
62 = Java 18
63 = Java 19

Original Author Nithin Of This Content

Solution 2

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IDE: Eclipse Oxygen.3

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To temporarily correct the problem do the following:

Project menu > Properties > Java Compiler > Compiler compliance level > 1.8

A permanent fix likely involves installing JDK 9.

FYI 1.8 is what Java 8 is called.

Side bar

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I recently returned to Java after a foray into C# (a breath of fresh air) and installed Eclipse Oxygen onto a clean system that had never had Java installed on it before. This default everything with a brand new install of Eclipse Oxygen yet somehow or other Eclipse can’t get its own parameters to match the jdk that’s installed. This is the second project I created and the second time I ran into this headache. Time to go back to C#?

Related Question

has been compiled by a more recent version of the Java Runtime (class file version 53.0)

Original Author Eric D Of This Content

Solution 3

You can try this way

javac --release 8 yourClass.java

Original Author Krishna Santosh Nidri Of This Content

Solution 4

53 stands for java-9, so it means that whatever class you have has been compiled with javac-9 and you try to run it with jre-8. Either re-compile that class with javac-8 or use the jre-9

Original Author Eugene Of This Content

Conclusion

So This is all About This Tutorial. Hope This Tutorial Helped You. Thank You.

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Siddharth

I am an Information Technology Engineer. I have Completed my MCA And I have 4 Year Plus Experience, I am a web developer with knowledge of multiple back-end platforms Like PHP, Node.js, Python and frontend JavaScript frameworks Like Angular, React, and Vue.

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