/* Java enums are .equal(), but also == due to implementation details. */
public class enum {

        enum AorB { A, B};

        public static void main (String[] args) {
                AorB a1 = AorB.valueOf(AorB.class, "A");
                AorB a2 = AorB.valueOf(AorB.class, "A");
                if (a1 == a2) System.out.println("==");
                if (a1 == a2) System.out.println(".equals()");
        }
}