java英文数字转换为阿拉伯数字

import java.util.ArrayList; import java.util.List; import java.util.Scanner; public class EnNumberTOArabiaNumerals{  public static void main(String[] args) {  String[] a={"zero","one","two", "three","four", "five","six","seven","eight","nine"};       //测试数字 zerofourzerothreefourfive      Scanner input=new Scanner(System.in);      System.out.println("请输入英文数字,输入完之后请按回车键！");       System.out.println("测试数字为zerofourzerothreefourfive");      String str=input.next();      String c=str;//这是输入的英文数字      String cCopy=str;//这是复制的输入的英文数字      List<String> list=new ArrayList<String>();      int count=0;      for (int i = 0; i < a.length; i++) {    for (int j= 0; j < a.length; j++) {  if(cCopy.startsWith(a[j])){   count++;   cCopy=cCopy.substring(a[j].length(), cCopy.length());   break;   }  }     }               //count为c的个数,将c中的数存入到list集合中去;    for (int i = 0; i < count; i++) {for (int j = 0; j < a.length; j++) {if(c.startsWith(a[j])){         list.add(a[j]);       c=c.substring(a[j].length(), c.length());        break; }}}       //list集合的数和数组a进行判断，找出下标;    System.out.print("你输入的英文数字为:");      for (int i = 0; i < list.size(); i++) {      System.out.print(list.get(i));     }      System.out.println();      System.out.print("英文转换为阿拉伯数字为:");      for (int i = 0; i < list.size(); i++) {    for (int j = 0; j < a.length; j++) {if(list.get(i).equals(a[j])){System.out.print(j);}}}        }}