src/java.base/share/classes/java/util/NoSuchElementException.java

*** 34,43 ****
--- 34,44 ----
   * @see     java.util.Iterator#next()
   * @since   1.0
   */
  public
  class NoSuchElementException extends RuntimeException {
+     @java.io.Serial
      private static final long serialVersionUID = 6769829250639411880L;
  
      /**
       * Constructs a {@code NoSuchElementException} with {@code null}
       * as its error message string.