JAVA Сд½ð¶îת»»´óд½ð¶î

import java.io.*;
import java.lang.String;
public class Switchover {
public static String[] strChi = {"Áã","Ò¼","·¡","Èþ","ËÁ","Îé","½","Æâ","°Æ","¾Á"};
public static String[] strUnits = {"","","Ê°","°Û","Ǫ","Íò","Ê°","°Û","Ǫ","ÒÚ","Ê°","°Û","Ǫ","Õ×","Ê°","°Û","Ǫ","½Ç","·Ö"};
//ÑéÖ¤ÊäÈëµÄÊý×ÖÊÇ·ñ·ûºÏÒªÇó
public boolean isNumeric(String str){
// if(str.matches("\\d+(.\\d+)$")){
if(str.matches("[\\d.]+")){
if (str.substring(0,1).equals("0") && !(str.substring(1,2).equals("."))){
return false;
}else{
return true;
}
}else{
return false;
}
}
//½«Ð¡Ð´×ª»»³É´óд
public String NumToChi(String str,int iflag){
String ireturn = strChi[Integer.parseInt(str)]+strUnits[iflag];
if (str.equals("0") && (iflag==5)){return "Íò";}
if (str.equals("0") && (iflag==9)){return "ÒÚ";}
if (str.equals("0") && (iflag==13)){return "Õ×";}
if ((str.equals("0") && (iflag!=5))||(str.equals("0") && (iflag==9))||(str.equals("0") && (iflag==13))){
return "Áã";
}else{
return ireturn;
}
}

//È¥¶àÓàµÄÁã
public String DelZero(String str){
for (int i=0;i<str.length()-1;i++){
if (str.indexOf("ÁãÁã")>0){str=str.replace("ÁãÁã", "Áã");}
if (str.indexOf("ÁãÍò")>0){str=str.replace("ÁãÍò", "Íò");}
if (str.indexOf("ÁãÒÚ")>0){str=str.replace("ÁãÒÚ", "ÒÚ");}
if (str.indexOf("ÁãÕ×")>0){str=str.replace("ÁãÕ×", "Õ×");}
if (str.indexOf("ÁãÔ²")>0){str=str.replace("ÁãÔ²", "Ô²");}
if (str.substring(0,1).equals(("Áã"))){str=str.replace(str.substring(0,1), ""); //È¥µôµÚһλµÄÁã
}
}
return str;
}

public static void main(String[] args){
Switchover switchover = new Switchover();
String inwrite="0"; //¶ÁÈ¡ÊäÈëµÄÊý×Ö
boolean flag=false; // do{}while(flag)ʹÓõıê¼Çλ
try {
do{
System.out.print("ÇëÊäÈëÊý×Ö('/'Í˳ö)£º");
do{
BufferedReader br = new BufferedReade