21 lines
646 B
Java
21 lines
646 B
Java
// interfaces/RandomDoubles.java
|
|
// (c)2017 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://OnJava8.com for more book information.
|
|
import java.util.*;
|
|
|
|
public interface RandomDoubles {
|
|
Random RAND = new Random(47);
|
|
default double next() { return RAND.nextDouble(); }
|
|
static void main(String[] args) {
|
|
RandomDoubles rd = new RandomDoubles() {};
|
|
for(int i = 0; i < 7; i ++)
|
|
System.out.print(rd.next() + " ");
|
|
}
|
|
}
|
|
/* Output:
|
|
0.7271157860730044 0.5309454508634242 0.16020656493302599
|
|
0.18847866977771732 0.5166020801268457 0.2678662084200585
|
|
0.2613610344283964
|
|
*/
|