Summary

Update core libraries for JDK 24 by adding an enum constant to ClassFileFormatVersion and a constant to ClassFile.

Problem

With a new release, ClassFileFormatVersion and ClassFile need a constants to model that release.

Solution

Add the new constants.

Specification

diff a/src/java.base/share/classes/java/lang/classfile/ClassFile.java b/src/java.base/share/classes/java/lang/classfile/ClassFile.java
--- a/src/java.base/share/classes/java/lang/classfile/ClassFile.java
+++ b/src/java.base/share/classes/java/lang/classfile/ClassFile.java
@@ -658,10 +658,16 @@
      * The class major version of JAVA_24.
      * @since 24
      */
     int JAVA_24_VERSION = 68;

+    /**
+     * The class major version of JAVA_25.
+     * @since 25
+     */
+    int JAVA_25_VERSION = 69;
+
     /**
      * A minor version number indicating a class uses preview features
      * of a Java SE version since 12, for major versions {@value
      * #JAVA_12_VERSION} and above.
      */
@@ -669,11 +675,11 @@

     /**
      * {@return the latest major Java version}
      */
     static int latestMajorVersion() {
-        return JAVA_24_VERSION;
+        return JAVA_25_VERSION;
     }

     /**
      * {@return the latest minor Java version}
      */
diff a/src/java.base/share/classes/java/lang/reflect/ClassFileFormatVersion.java b/src/java.base/share/classes/java/lang/reflect/ClassFileFormatVersion.java
--- a/src/java.base/share/classes/java/lang/reflect/ClassFileFormatVersion.java
+++ b/src/java.base/share/classes/java/lang/reflect/ClassFileFormatVersion.java
@@ -316,10 +316,22 @@
      * @see <a
      * href="https://docs.oracle.com/javase/specs/jvms/se24/html/index.html">
      * <cite>The Java Virtual Machine Specification, Java SE 24 Edition</cite></a>
      */
     RELEASE_24(68),
+
+    /**
+     * The version introduced by the Java Platform, Standard Edition
+     * 25.
+     *
+     * @since 25
+     *
+     * @see <a
+     * href="https://docs.oracle.com/javase/specs/jvms/se25/html/index.html">
+     * <cite>The Java Virtual Machine Specification, Java SE 25 Edition</cite></a>
+     */
+    RELEASE_25(69),
     ; // Reduce code churn when appending new constants

     // Note to maintainers: when adding constants for newer releases,
     // the implementation of latest() must be updated too.

@@ -331,11 +343,11 @@

     /**
      * {@return the latest class file format version}
      */
     public static ClassFileFormatVersion latest() {
-        return RELEASE_24;
+        return RELEASE_25;
     }

     /**
      * {@return the major class file version as an integer}
      * @jvms 4.1 The {@code ClassFile} Structure