--- jsr166/src/jdk8/java/util/SplittableRandom.java 2017/02/20 22:07:50 1.4 +++ jsr166/src/jdk8/java/util/SplittableRandom.java 2017/10/17 23:26:32 1.5 @@ -399,6 +399,26 @@ public final class SplittableRandom { } /** + * Fills a user-supplied byte array with generated pseudorandom bytes. + * + * @param bytes the byte array to fill with pseudorandom bytes + * @throws NullPointerException if bytes is null + * @since 10 + */ + public void nextBytes(byte[] bytes) { + int i = 0; + int len = bytes.length; + for (int words = len >> 3; words--> 0; ) { + long rnd = nextLong(); + for (int n = 8; n--> 0; rnd >>>= Byte.SIZE) + bytes[i++] = (byte)rnd; + } + if (i < len) + for (long rnd = nextLong(); i < len; rnd >>>= Byte.SIZE) + bytes[i++] = (byte)rnd; + } + + /** * Returns a pseudorandom {@code int} value. * * @return a pseudorandom {@code int} value