2016 Update

Task/Linear-congruential-generator/Java/linear-congruential-generator.java

@@ -0,0 +1,23 @@
+import java.util.stream.IntStream;
+import static java.util.stream.IntStream.iterate;
+
+public class LinearCongruentialGenerator {
+    final static int mask = (1 << 31) - 1;
+
+    public static void main(String[] args) {
+        System.out.println("BSD:");
+        randBSD(0).limit(10).forEach(System.out::println);
+
+        System.out.println("\nMS:");
+        randMS(0).limit(10).forEach(System.out::println);
+    }
+
+    static IntStream randBSD(int seed) {
+        return iterate(seed, s -> (s * 1_103_515_245 + 12_345) & mask).skip(1);
+    }
+
+    static IntStream randMS(int seed) {
+        return iterate(seed, s -> (s * 214_013 + 2_531_011) & mask).skip(1)
+                .map(i -> i >> 16);
+    }
+}