[cvs] / jsr166 / src / main / java / util / SplittableRandom.java Repository:
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revision 1.39, Mon Feb 20 22:07:50 2017 UTC revision 1.40, Tue Oct 3 22:27:04 2017 UTC
# Line 399  Line 399 
399      }      }
400    
401      /**      /**
402         * Fills a user-supplied byte array with generated pseudorandom bytes.
403         *
404         * @param  bytes the byte array to fill with pseudorandom bytes
405         * @throws NullPointerException if bytes is null
406         * @since  10
407         */
408        public void nextBytes(byte[] bytes) {
409            int i = 0;
410            int len = bytes.length;
411            for (int words = len >> 3; words--> 0; ) {
412                long rnd = nextLong();
413                for (int n = 8; n--> 0; rnd >>>= Byte.SIZE)
414                    bytes[i++] = (byte)rnd;
415            }
416            if (i < len)
417                for (long rnd = nextLong(); i < len; rnd >>>= Byte.SIZE)
418                    bytes[i++] = (byte)rnd;
419        }
420    
421        /**
422       * Returns a pseudorandom {@code int} value.       * Returns a pseudorandom {@code int} value.
423       *       *
424       * @return a pseudorandom {@code int} value       * @return a pseudorandom {@code int} value

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