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

*** 35,44 ****
--- 35,45 ----
   *
   * @since 1.5
   */
  public class IllegalFormatConversionException extends IllegalFormatException {
  
+     @java.io.Serial
      private static final long serialVersionUID = 17000126L;
  
      private char c;
      private Class<?> arg;