All About Class File 68.0

Class file 68.0 represents the expected next step in the class file numbering sequence.

Binary milestone

Class File 68.0

Class file 68.0 represents the expected next step in the class file numbering sequence.

68.0ExpectedForward look

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 is a projected class file milestone, useful for forward planning and for understanding how the numbering sequence is expected to continue.

javap -verbose MyClass.class
# look for: major version 68

Release context

What was happening around this milestone

Expected

Class file 68.0 represents the expected next step in the class file numbering sequence.

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.