Class RandomGenerators

streams/RandomGenerators.java:8–33

import java.util.stream.*;

public class RandomGenerators {
  public static <T> void show(Stream<T> stream) {
      stream
        .limit(4)
        .forEach(System.out::println);
      System.out.println("++++++++");
  }
  public static void main(String[] args) {
    Random rand = new Random(47);
    show(rand.ints().boxed());
    show(rand.longs().boxed());
    show(rand.doubles().boxed());
    // Control the lower and upper bounds:
    show(rand.ints(10, 20).boxed());
    show(rand.longs(50, 100).boxed());
    show(rand.doubles(20, 30).boxed());
    // Control the stream size:
    show(rand.ints(2).boxed());
    show(rand.longs(2).boxed());
    show(rand.doubles(2).boxed());
    // Control the stream size and bounds:
    show(rand.ints(3, 3, 9).boxed());
    show(rand.longs(3, 12, 22).boxed());
    show(rand.doubles(3, 11.5, 12.3).boxed());
  }
}
/* Output:
-1172028779
1717241110