package setGame; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.Random; enum P4 { D1, D2, D3, D4, D5; private static final List VALUES = Collections.unmodifiableList(Arrays.asList(values())); private static final int SIZE = VALUES.size(); private static final Random RANDOM = new Random(); public static P4 randomP4() { return VALUES.get(RANDOM.nextInt(SIZE)); } }