作业--JAVA枚举

public class WeekDeom {

//枚举U1，U2，U3
    public enum Week {
        U1,U2,U3
    }

    public void dowhat(Week day) {
        switch (day) {
            case U1:
                System.out.println("第一单元打基础");
                break;
            case U2:
                System.out.println("第二单元可以胜任java软件开发");
                break;
            case U3:
                System.out.println("第三单元可以胜任企业级java程序开发");
                break;
            default:
                System.out.println("不及格回去重读！");
                break;
        }
    }

    public static void main(String[] args) {
        WeekDeom wd = new WeekDeom();
        wd.dowhat(Week.U1);
        wd.dowhat(Week.U2);
        wd.dowhat(Week.U3);

         //第二种输出格式
        //Week u1=Week.U1
        //wd.dowhat(u1);
        //Week u2=Week.U2;
        //wd.dowhat(u2);
        //Week u3=Week.U3;
        //wd.dowhat(u3);
    }
}