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Class File 77.0 favicon All About Class File 77.0
Class File 77.0 • 2029 • Java 33
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77.0Projected LTSLong-range bytecode

All About Class File 77.0

Class file 77.0 keeps the future class-file sequence aligned with the projected Java 33 LTS horizon.

Binary milestone

Class File 77.0

Class file 77.0 keeps the future class-file sequence aligned with the projected Java 33 LTS horizon.

77.0Projected LTSLong-range bytecode
Compatibility meaning

Why the version number matters

The class file version is the binary compatibility signal that tells tooling and runtimes which generation of compiled Java bytecode they are dealing with.

This class file milestone aligns with an LTS anchor, so it matters both for binary compatibility and for long-term operational baselines.

javap -verbose MyClass.class
# look for: major version 77
Release context

What was happening around this milestone

Projected LTS projection

Class file 77.0 keeps the future class-file sequence aligned with the projected Java 33 LTS horizon.

Related pages

Continue through binary and runtime history

Common Class File Return to the class file timeline and compare this version with adjacent milestones. Common Java See the source-language side of the Java release associated with this class file version. Common JLS Compare source-language specification changes with binary-format evolution. Common JDK Use the platform view when you want to connect bytecode changes to tooling and runtime packaging.