Java Utililty Methods Random Enum

List of utility methods to do Random Enum

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Random Enum

Description

The list of methods to do Random Enum are organized into topic(s).

Method

return RandomEnum(c, 0);

T randomEnum(Class c)
random Enum

Random random = new Random();
int r = random.nextInt(c.getEnumConstants().length);
return c.getEnumConstants()[r];

T randomEnum(Class clazz)
Gets a random enum value from an enum.

return clazz.getEnumConstants()[RANDOM.nextInt(clazz.getEnumConstants().length)];

T randomEnum(Class cls, T exceptValue)
random Enum

int x = new Random().nextInt(cls.getEnumConstants().length);
T t = cls.getEnumConstants()[x];
return t.equals(exceptValue) ? randomEnum(cls, exceptValue) : t;

Set randomEnumSet(Class enumType)
random Enum Set

EnumSet<E> set = EnumSet.noneOf(enumType);
for (E e : EnumSet.allOf(enumType)) {
 if (randomPositiveInt() % 2 == 1) {
 set.add(e);
return set;