Java Bytecode Version: Difference between revisions
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=Overview= | =Overview= | ||
A valid class file starts with <code>0xcafebabe</code>, followed by the minor version as unsigned short, followed by the major version, as unsigned short. | A valid class file starts with <code>0xcafebabe</code>, followed by the minor version as unsigned short, followed by the major version, as unsigned short. | ||
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=Playground= | =Playground= | ||
The following project produces a bytecode-version.jar that reads the bytecode version from a Java class: | The following project produces a bytecode-version.jar that reads the bytecode version from a Java class: | ||
{{External|https://github.com/ovidiuf/playground/tree/master/java/bytecode/bytecode-version/README.md}} | {{External|https://github.com/ovidiuf/playground/tree/master/java/bytecode/bytecode-version/README.md}} | ||
Revision as of 18:58, 12 June 2021
Internal
Overview
A valid class file starts with 0xcafebabe, followed by the minor version as unsigned short, followed by the major version, as unsigned short.
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Playground
The following project produces a bytecode-version.jar that reads the bytecode version from a Java class: