枚举类

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package zzy;

import static java.lang.System.*;import java.util.*;/** * * @author Zhu Zhengyan */public class meiju{    public static void main(String[] args)    {        Scanner in = new Scanner(System.in);        String input = in.nextLine().toUpperCase();//变为大写        Size size = Enum.valueOf(Size.class,input); //将size设置为Size.SMALL等,返回枚举常量        String a = Size.SMALL.toString();          //Size.SMALL.toString()返回字符串"SMALL"        out.println(size);        out.println(size.getAbbreviation());        Size[] values = Size.values();             //返回包含元素SMALL,MEDIUM等的数组        for (Size s:values)           out.println(s);        int x = Size.LARGE.ordinal();              //返回LARGE的位置，从0开始        out.println(x);            }    public enum Size    {            SMALL("S"),MEDIUM("M"),LARGE("L"),EXTRA_LARGE("XL");            private String abbreviation;                    private Size(String abbreviation)            {                this.abbreviation = abbreviation;            }            public String getAbbreviation()            {                return abbreviation;            }    }}

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