java枚举类型_Ordinal compareTo

public enum Color {

    RED, BLUE, BLACK, YELLOW, GREEN

}

public class Program {

    //RED, BLUE, BLACK, YELLOW, GREEN

    public static void main(String[] args) {

//        testOrdinal();

        testCompareTo();

    }

    

    public static void testCompareTo(){

        int dis=Color.GREEN.compareTo(Color.RED);

        System.out.println(dis);

    }

    

    public static void testOrdinal(){

        System.out.println(Color.YELLOW.ordinal());

        System.out.println(Color.GREEN.ordinal());

        System.out.println(Color.RED.ordinal());

        System.out.println(Color.BLUE.ordinal());

        System.out.println(Color.BLACK.ordinal());

    }

}