// interfaces/AdaptedRandomDoubles.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.

// 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

*/