49 lines
1.3 KiB
Java
49 lines
1.3 KiB
Java
// interfaces/RandomWords.java
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// (c)2016 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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// Implementing an interface to conform to a method
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import java.nio.*;
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import java.util.*;
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public class RandomWords implements Readable {
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private static Random rand = new Random(47);
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private static final char[] CAPITALS =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
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private static final char[] LOWERS =
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"abcdefghijklmnopqrstuvwxyz".toCharArray();
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private static final char[] VOWELS =
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"aeiou".toCharArray();
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private int count;
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public RandomWords(int count) { this.count = count; }
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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; // Indicates end of input
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cb.append(CAPITALS[rand.nextInt(CAPITALS.length)]);
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for(int i = 0; i < 4; i++) {
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cb.append(VOWELS[rand.nextInt(VOWELS.length)]);
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cb.append(LOWERS[rand.nextInt(LOWERS.length)]);
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}
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cb.append(" ");
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return 10; // Number of characters appended
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}
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public static void main(String[] args) {
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Scanner s = new Scanner(new RandomWords(10));
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while(s.hasNext())
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System.out.println(s.next());
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}
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}
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/* Output:
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Yazeruyac
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Fowenucor
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Goeazimom
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Raeuuacio
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Nuoadesiw
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Hageaikux
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Ruqicibui
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Numasetih
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Kuuuuozog
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Waqizeyoy
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*/
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