src/java.base/share/classes/java/util/zip/Adler32.java

@@ -37,10 +37,11 @@
  *
  * <p> Passing a {@code null} argument to a method in this class will cause
  * a {@link NullPointerException} to be thrown.</p>
  *
  * @author      David Connelly
+ * @since 1.1
  */
 public
 class Adler32 implements Checksum {
 
     private int adler = 1;