// interfaces/AdaptedRandomDoubles.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.
// Creating an adapter with inheritance
import java.nio.*;
import java.util.*;

public class AdaptedRandomDoubles
implements RandomDoubles, Readable {
 private int count;
 public AdaptedRandomDoubles(int count) {
 this.count = count;
 }
 @Override
 public int read(CharBuffer cb) {
 if(count-- == 0)
 return -1;
 String result = Double.toString(next()) + " ";
 cb.append(result);
 return result.length();
 }
 public static void main(String[] args) {
 Scanner s =
 new Scanner(new AdaptedRandomDoubles(7));
 while(s.hasNextDouble())
 System.out.print(s.nextDouble() + " ");
 }
}
/* Output:
0.7271157860730044 0.5309454508634242
0.16020656493302599 0.18847866977771732
0.5166020801268457 0.2678662084200585
0.2613610344283964
*/