// FileIO.java

import java.io.*;


public class FileIO{

  static String str_elm[][] = new String[100][100];


public static void main(String args[]){

//�hz?n?��?u���
for(int i=0; i<100; i++){
for(int j=0; j<100; j++){

   str_elm[i][j]="";
}}

//?t?@?C??�gu?o?I...?A?s???I?o?�h?iload, save?j
if(args[0].equals("load")){LoadFile();}

else if(args[0].equals("save")){SaveFile();}

}


// ?t?@?C???Z?[?u
public static void SaveFile(){

// Data Set?i?T?�g?v???j
str_elm[0][0]="1"; str_elm[0][1]="2";str_elm[0][2]="3";
str_elm[1][0]="a"; str_elm[1][1]="b";str_elm[1][2]="c";
str_elm[2][0]="? "; str_elm[2][1]="?��";str_elm[2][2]="??";
str_elm[3][0]="Hello "; str_elm[3][1]="the";str_elm[3][2]="World";

      int row=4,col=3;
 
     try{

File out01 = new File("./datafile.txt");
FileWriter fw01 = new FileWriter(out01);
PrintWriter pw01 = new PrintWriter(fw01);

try{

for(int i=0;i<row;i++){
   for(int j=0;j<col;j++){

     pw01.write(str_elm[i][j]);
     pw01.write(",");
   }
    pw01.write("\n");
   }
      pw01.write("EOF");//?I?1?L?��?A?��?A?AEOF?d?g??
  
       }catch(Exception e){
        System.err.println("error");

	}finally{

         pw01.close();fw01.close();

	}

      }catch (FileNotFoundException e){
	System.err.println("Opening error");
	System.exit(1);
      }catch(IOException e){
	System.err.println("Closing error");
      System.exit(1);
      }

}



// ?t?@?C?????[?h
public static void LoadFile(){

      String str;
      int row=0,col=0,elm=0;

      try{

      FileReader fr01=new FileReader("./datafile.txt");
      BufferedReader br01= new BufferedReader(fr01);
	
try{

while(true){

str=br01.readLine();

if(str.equals("EOF"))break;
System.out.println("readline[" +row+ "] : " +str+" : "+str.length());

col=0;

   for(int k=0 ; k<=str.length()-1 ; k++){
   
   Character ch = new Character(str.charAt(k));

?@ if(ch.toString().equals(",")==false){

       	//System.out.println("?f?[?^"+ row +" "+col);
	str_elm[row][col] += ch.toString();
   ?@
?@?@?@}else{
	//System.out.println("?a?O?e?��??");
?@?@?@?@col++; elm++;
	
      }
   }

row++; 

 }

      col=elm/row;
      System.out.println("row , elm , col  "+row+ " "+elm+" " +col);

// �f[???o?I
   for(int i=0 ; i<row ; i++){
   for(int j=0 ; j<col  ; j++){

      System.out.print(str_elm[i][j] +" , ");

   }  System.out.print("\n"); }


        }catch (EOFException e){
           //System.out.println("Reached EOF");
	}catch(IOException e){
   	   System.err.println("IO error");
	   System.exit(1);
	}finally{

        br01.close();fr01.close();

	}
      }catch (FileNotFoundException e){
	System.err.println("Opening error");
	System.exit(1);
      }catch (IOException e){
	System.err.println("Closing error");
      System.exit(1);
      }

}


}