src/java.base/share/classes/java/lang/Float.java

@@ -1012,7 +1012,8 @@
     public Float resolveConstantDesc(MethodHandles.Lookup lookup) {
         return this;
     }
 
     /** use serialVersionUID from JDK 1.0.2 for interoperability */
+    @java.io.Serial
     private static final long serialVersionUID = -2671257302660747028L;
 }