src/java.base/share/classes/java/lang/Throwable.java

rev 53693 : wq8218628: Add detailed message to NullPointerException describing what is null.

*** 380,389 ****
--- 380,396 ----
       */
      public String getMessage() {
          return detailMessage;
      }
  
+     /*
+      * Sets the detail message string of this throwable.
+      */
+     void setMessage(String message) {
+         detailMessage = message;
+     }    
+ 
      /**
       * Creates a localized description of this throwable.
       * Subclasses may override this method in order to produce a
       * locale-specific message.  For subclasses that do not override this
       * method, the default implementation returns the same result as