OnJava8-Examples/interfaces/AdaptedRandomDoubles.java
2015-12-02 09:20:27 -08:00

34 lines
984 B
Java

// interfaces/AdaptedRandomDoubles.java
// ©2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ 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
*/