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

*** 33,42 ****
--- 33,43 ----
   * @see     java.util.Stack
   * @since   1.0
   */
  public
  class EmptyStackException extends RuntimeException {
+     @java.io.Serial
      private static final long serialVersionUID = 5084686378493302095L;
  
      /**
       * Constructs a new {@code EmptyStackException} with {@code null}
       * as its error message string.