This Annex to the Java SE 25 Specification contains the Java SE 25 version of the Java Native Interface (JNI) Specification.

The Java SE 25 version includes typographical edits made to the JNI Spec since the Java SE 24 version, that is, since the Final Release of JSR 399. These changes are flagged with colorful text, as follows:

• Text with light green background indicates new material in the Java SE 25 version.
• Text struck through on a light red background indicates deletion from the Java SE 24 version.

Informative background for these changes may be found in the following approved Compatibility & Specification Review (CSR) requests:

• JNI Specification: Clarify how to correctly size the buffer for GetStringUTFRegion
  Compatibility & Specification Review