228      * zero-element list, the field is reset to the sentinel value.

   228      * zero-element list, the field is reset to the sentinel value.

   229      *

   229      *

   230      * @serial

   230      * @serial

   231      * @since 1.7

   231      * @since 1.7

   232      */

   232      */

   233     private List<Throwable> suppressedExceptions = SUPPRESSED_SENTINEL;

   234     private List<Throwable> suppressedExceptions = SUPPRESSED_SENTINEL;

   234 

   235 

   235     /** Message for trying to suppress a null exception. */

   236     /** Message for trying to suppress a null exception. */

   236     private static final String NULL_CAUSE_MESSAGE = "Cannot suppress a null exception.";

   237     private static final String NULL_CAUSE_MESSAGE = "Cannot suppress a null exception.";

   237 

   238