17 lines
509 B
Java
17 lines
509 B
Java
// onjava/Enums.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://mindviewinc.com/Books/OnJava/ for more book information.
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package onjava;
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import java.util.*;
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public class Enums {
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private static Random rand = new Random(47);
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public static <T extends Enum<T>> T random(Class<T> ec) {
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return random(ec.getEnumConstants());
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}
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public static <T> T random(T[] values) {
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return values[rand.nextInt(values.length)];
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}
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}
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