public class Constants {
public static enum ServiceStatus{
        NORMAL(1,"正常办理"),CHANGEING(2,"应收变更中"),BACKING(3,"退单中"),BACK(4,"退单");
        private ServiceStatus(Integer value,String name){
            this.value = value;
            this.name = name;
        }
        private final Integer value;
        private final String name;

        public Integer getValue() {
            return value;
        }

        public String getName() {
            return name;
        }
    }
}

 public static void main(String[] args) {
        String key = Constants.ServiceStatus.NORMAL.getName();
        int value = Constants.ServiceStatus.NORMAL.getValue();
        System.out.println(key+":"+ value);

    }

/**
 * 衣服尺寸
 */
public enum Size {

    SMALL("S"),
    MEDIUM("M"),
    LARGE("L"),
    EXTRA_LARGE("XL");

    /**
     * 缩写
     */
    private String suoxie;

    private Size(String suoxie){
        this.suoxie = suoxie;
    }

    public String getSuoxie(){
        return suoxie;
    }

    public static void main(String[] args) {
        //1:toString()方法返回常量的名
        System.out.println(Size.SMALL.toString());//SMALL

        //2:valueOf()
        System.out.println(Size.valueOf("LARGE"));

        //3:values:返回每个常量名
        //SMALL MEDIUM LARGE EXTRA_LARGE
        Size[] sizes = Size.values();
        /*for (Size size : sizes) {
            System.out.println(size);
        }*/

        //4:ordinal 返回常量的位置，从0开始
        System.out.println(Size.LARGE.ordinal());

        int i = Size.EXTRA_LARGE.compareTo(Size.EXTRA_LARGE);
        System.out.println(i);

System.out.println(Size.LARGE.getSuoxie());
    }
}