OnJava8-Examples/streams/ImperativeRandoms.java

22 lines
566 B
Java

// streams/ImperativeRandoms.java
// (c)2021 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 class ImperativeRandoms {
public static void main(String[] args) {
Random rand = new Random(47);
SortedSet<Integer> rints = new TreeSet<>();
while(rints.size() < 7) {
int r = rand.nextInt(20);
if(r < 5) continue;
rints.add(r);
}
System.out.println(rints);
}
}
/* Output:
[7, 8, 9, 11, 13, 15, 18]
*/