36 lines
973 B
Java
36 lines
973 B
Java
// interfaces/AdaptedRandomDoubles.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Creating an adapter with inheritance
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import java.nio.*;
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import java.util.*;
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public class AdaptedRandomDoubles
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implements RandomDoubles, Readable {
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private int count;
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public AdaptedRandomDoubles(int count) {
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this.count = count;
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}
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@Override
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public int read(CharBuffer cb) {
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if(count-- == 0)
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return -1;
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String result = Double.toString(next()) + " ";
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cb.append(result);
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return result.length();
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}
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public static void main(String[] args) {
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Scanner s =
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new Scanner(new AdaptedRandomDoubles(7));
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while(s.hasNextDouble())
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System.out.print(s.nextDouble() + " ");
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}
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}
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/* Output:
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0.7271157860730044 0.5309454508634242
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0.16020656493302599 0.18847866977771732
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0.5166020801268457 0.2678662084200585
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0.2613610344283964
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*/
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