// onjava/Enums.java
// (c)2017 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.
package onjava;
import java.util.*;

public class Enums {
 private static Random rand = new Random(47);
 public static
 <T extends Enum<T>> T random(Class<T> ec) {
 return random(ec.getEnumConstants());
 }
 public static <T> T random(T[] values) {
 return values[rand.nextInt(values.length)];
 }
}