2020-10-07 13:35:40 -06:00

18 lines
493 B
Java

// onjava/Enums.java
// (c)2020 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)];
}
}