How JAVA loops enumerations (in the main function)

/** * bestpay.com.cn inc. * copyright  (c)  2011-2015 all rights  Reserved. */package com.bestpay.bpbp.common.enums;/** *  Offs Business Type enumeration  *  *   @author  Weiliang *  @version   $Id: biztypeenum.java, v 0.1  December 14, 2015   PM 2:20:53 weiliang exp $ */public enum biztypeenum {     train_ticket ("Train_ticket",  "Train Ticket"),     transport_deposit (" Transport_deposit ", " Traffic card Recharge ");    /**  enumeration code   */     private string code;    /**  Description Description  */    private  String description;    /**     *  Default constructors       *      *  @param  code  Enumeration encoding        *  @param  d escription  description      *  @param  isfinish     * /    private biztypeenum (string code, string description)  {         this.code = code;         this.description = description;    }    /**      *  enumerating through enumerations <code>code</code> getting enumerations      *       *  @param  code  Enumeration encoding       *   @return   Payment order Status Enumeration      */    public static  Biztypeenum getbycode (String code)  {        for  ( Biztypeenum biztypeenum : values ())  {             if  (BiztypEenum.getcode (). Equals (code))  {                 return bizTypeEnum;             }        }         return null;    }    /**     *  getter method for property <tt>code</tt>.     *       *  @return  property value of code      */    public string getcode ()  {         return code;    }    /**      * Getter method for property <tt>description</tt>.      *      *  @return  property value of description      */    public string getdescription ()  {         return description;    }    public  Static void main (String[] args)  {         Biztypeenum [] customerrorcodeenums=biztypeenum.values ();         for (int i=0;i<customerrorcodeenums.length;i++) {             system.out.println (Customerrorcodeenums[i].getcode ());             system.out.println (Customerrorcodeenums[i].getdescription ());         }    }}

How JAVA loops enumerations (in the main function)