Artifact

public class Artifact {
    public static void main(String[] args) {

        Artifact art1 = new Artifact(211221);
        Artifact art2 = new Artifact(321342, " Ацтеки");
        Artifact art3 = new Artifact(123421," Древний Рим ", 13);

        System.out.println("Серийный номер " + art1.number);
        System.out.println("Серийный номер " + art2.number + " Цивилизация " + art2.cult);
        System.out.println("Серийный номер " + art3.number + " Цивилизация " + art3.cult + " Дата создания " + art3.date);

    }


        int number;
        String cult;
        int date;

        public Artifact(int number) {
            this.number = number;
        }



        public Artifact(int number, String cult) {
            this.number = number;
            this.cult = cult;
        }

            public Artifact(int number, String cult, int date) {
                this.number = number;
                this.cult = cult;
                this.date = date;
            }