All About Class File 70.0

Class file 70.0 continues the projected sequence into the Java 26 timeframe.

Binary milestone

Class File 70.0

Class file 70.0 continues the projected sequence into the Java 26 timeframe.

70.0ExpectedForward 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 70

Release context

What was happening around this milestone

Expected

Class file 70.0 continues the projected sequence into the Java 26 timeframe.

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.