[Java知识库]Java练习（三十九）---枚举练习&switch中使用枚举

package enumtest;


public class Cut {
    public static void main(String[] args) {
        Color color1 = Color.ORANGE;
        switch (color1){
            case RED:
                System.out.println("匹配到红色");
                color1.show();
                break;
            case BLUE:
                Color color2 = Color.BLUE;
                color2.show();
                System.out.println("匹配到蓝色");
                break;
            case GREEN:
                Color color3 = Color.GREEN;
                color3.show();
                System.out.println("匹配到绿色");
                break;
            default:
                System.out.println("颜色匹配错误");
        }
    }

}

enum Color implements H{
    RED(255,0,0),BLUE(0,0,255),
    GREEN(0,255,0), ORANGE(0,0,0);
    private int redValue;
    private int blueValue;
    private int greenValue;

    Color(int redValue, int blueValue, int greenValue) {
        this.redValue = redValue;
        this.blueValue = blueValue;
        this.greenValue = greenValue;
    }

    @Override
    public void show() {
        System.out.println(redValue+","+blueValue+","+greenValue);
    }

    @Override
    public String toString() {
        return "Color{" +
                "redValue=" + redValue +
                ", blueValue=" + blueValue +
                ", greenValue=" + greenValue +
                '}';
    }
}

interface H{
    public void show();
}