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List of Java class file major version numbers

February 25, 2025January 25, 2022 by mkyong

This article shows all the major version of the Java class file, for example, Java 17 (61), Java 11 (55), and Java 8 (52).

Categories java Tags java class file, javap, jdk tools Leave a comment

How to check which JDK version compiled the class?

August 25, 2022April 22, 2019 by mkyong

Find the major version of the Java class file, and we will know which JDK version compiled the Java class. Below are some popular Java LTS released and their major version numbers. Java SE Major Version Hex 17 61 0x3D 11 55 0x37 8 52 0x34 If the major version of the Java class file …

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Categories java Tags java class file, javap, jdk tools Leave a comment

How to Fix “Unsupported major.minor version 51.0” on Java

February 24, 2025July 13, 2014 by mkyong

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Categories java Tags java class file, java error, jdk tools 5 Comments

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