package solitaire; import java.util.List; enum Suit { CLUBS("♣", false), DIAMONDS("♦", true), HEARTS("♥", true), SPADES("♠", false); static final List SUITS = List.of(Suit.values()); private final String symbol; private final boolean red; Suit(String symbol, boolean red) { this.symbol = symbol; this.red = red; } boolean isRed() { return red; } boolean isBlack() { return !red; } @Override public String toString() { return symbol; } }