src/java.base/share/classes/java/util/zip/Checksum.java

@@ -28,10 +28,11 @@
 
 /**
  * An interface representing a data checksum.
  *
  * @author David Connelly
+ * @since 1.1
  */
 public interface Checksum {
 
     /**
      * Updates the current checksum with the specified byte.