diff -r 1ca1cfdcb451 -r 56cbdc3ea079 src/java.base/share/classes/java/util/random/Xoshiro256StarStar.java
--- a/src/java.base/share/classes/java/util/random/Xoshiro256StarStar.java	Fri Jul 26 15:20:31 2019 -0300
+++ b/src/java.base/share/classes/java/util/random/Xoshiro256StarStar.java	Fri Jul 26 15:37:05 2019 -0300
@@ -27,12 +27,13 @@
 
 import java.math.BigInteger;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.random.RandomGenerator.LeapableGenerator;
 
 /**
  * A generator of uniform pseudorandom values applicable for use in
  * (among other contexts) isolated parallel computations that may
  * generate subtasks.  Class {@link Xoshiro256StarStar} implements
- * interfaces {@link RandomNumberGenerator} and {@link LeapableRNG},
+ * interfaces {@link RandomGenerator} and {@link LeapableGenerator},
  * and therefore supports methods for producing pseudorandomly chosen
  * numbers of type {@code int}, {@code long}, {@code float}, and {@code double}
  * as well as creating new {@link Xoshiro256StarStar} objects
@@ -89,7 +90,7 @@
  *
  * @since 14
  */
-public final class Xoshiro256StarStar implements LeapableRNG {
+public final class Xoshiro256StarStar implements LeapableGenerator {
 
     /*
      * Implementation Overview.
@@ -128,7 +129,7 @@
     /**
      * The seed generator for default constructors.
      */
-    private static final AtomicLong DEFAULT_GEN = new AtomicLong(RNGSupport.initialSeed());
+    private static final AtomicLong DEFAULT_GEN = new AtomicLong(RandomSupport.initialSeed());
 
     /*
      * The period of this generator, which is 2**256 - 1.
@@ -164,10 +165,10 @@
         // If x0, x1, x2, and x3 are all zero, we must choose nonzero values.
         if ((x0 | x1 | x2 | x3) == 0) {
             // At least three of the four values generated here will be nonzero.
-            this.x0 = RNGSupport.mixStafford13(x0 += RNGSupport.GOLDEN_RATIO_64);
-            this.x1 = (x0 += RNGSupport.GOLDEN_RATIO_64);
-            this.x2 = (x0 += RNGSupport.GOLDEN_RATIO_64);
-            this.x3 = (x0 += RNGSupport.GOLDEN_RATIO_64);
+            this.x0 = RandomSupport.mixStafford13(x0 += RandomSupport.GOLDEN_RATIO_64);
+            this.x1 = (x0 += RandomSupport.GOLDEN_RATIO_64);
+            this.x2 = (x0 += RandomSupport.GOLDEN_RATIO_64);
+            this.x3 = (x0 += RandomSupport.GOLDEN_RATIO_64);
         }
     }
 
@@ -186,10 +187,10 @@
         //
         // The x values are then filled in as if by a SplitMix PRNG with
         // GOLDEN_RATIO_64 as the gamma value and Stafford13 as the mixer.
-        this(RNGSupport.mixStafford13(seed ^= RNGSupport.SILVER_RATIO_64),
-             RNGSupport.mixStafford13(seed += RNGSupport.GOLDEN_RATIO_64),
-             RNGSupport.mixStafford13(seed += RNGSupport.GOLDEN_RATIO_64),
-             RNGSupport.mixStafford13(seed + RNGSupport.GOLDEN_RATIO_64));
+        this(RandomSupport.mixStafford13(seed ^= RandomSupport.SILVER_RATIO_64),
+             RandomSupport.mixStafford13(seed += RandomSupport.GOLDEN_RATIO_64),
+             RandomSupport.mixStafford13(seed += RandomSupport.GOLDEN_RATIO_64),
+             RandomSupport.mixStafford13(seed + RandomSupport.GOLDEN_RATIO_64));
     }
 
     /**
@@ -200,7 +201,7 @@
      */
     public Xoshiro256StarStar() {
         // Using GOLDEN_RATIO_64 here gives us a good Weyl sequence of values.
-        this(DEFAULT_GEN.getAndAdd(RNGSupport.GOLDEN_RATIO_64));
+        this(DEFAULT_GEN.getAndAdd(RandomSupport.GOLDEN_RATIO_64));
     }
 
     /**
@@ -212,7 +213,7 @@
      */
     public Xoshiro256StarStar(byte[] seed) {
         // Convert the seed to 4 long values, which are not all zero.
-        long[] data = RNGSupport.convertSeedBytesToLongs(seed, 4, 4);
+        long[] data = RandomSupport.convertSeedBytesToLongs(seed, 4, 4);
         long x0 = data[0], x1 = data[1], x2 = data[2], x3 = data[3];
         this.x0 = x0;
         this.x1 = x1;