将枚举的值反映为类的值

public class MyClass {
    private Season season;

    public MyClass(Season season) {
        this.season = season;
    }

    public Season getSeason() {
        return season;
    }
}

public enum Season {
    Spring, Summer, Autumn, Winter;
}

public class MyClass {
    public String getColor(Color color) {
        switch (color) {
            case Red:
                return "红色";
            case Green:
                return "绿色";
            case Blue:
                return "蓝色";
            default:
                return "未知颜色";
        }
    }
}

public enum Color {
    Red, Green, Blue;
}