p0006** - 経済統計練習帳

package book;
import java.io.*;
 
public class pro {
 
     String[] data=new String[60000];
    int s,datanumber;
    double[][] p=new double[600][21];
 
    public static void main(String[] args) {
        pro t=new pro();
    }
 
    pro(){
 
        readx("c.csv");
 
        int sx;
 
        for(s=2;s<datanumber+1;s++){
        data[s]=rev_csv(data[s]);
            String[] x=data[s].split(",");
        for(sx=0;sx<x.length;sx++){
 double n1=num_double(x[sx]);    
p[s-1][sx+1]=n1;
        }
        }
 
 
        datanumber=datanumber-1;
 
        for(s=1;s<datanumber+1;s++){
        System.out.println(p[s][1]);    
        }
 
 
 
    }
 
    String rev_csv(String str){
 
        String str5=str;
        int px=str5.indexOf("\"");
 
 
 
        while(px>-1){
       str5=rev(str5);
       px=str5.indexOf("\"");   
        }
        return str5;
    }
 
    String rev(String str){
 
        int p1=str.indexOf("\"");
        int p2=str.indexOf("\"",p1+1);
 
     String str1=str.substring(0,p1);   
        String str2=str.substring(p1+1,p2);  
        String str3=str.substring(p2+1,str.length());
        str2=str2.replace(",","");
 
        return str1+str2+str3;
 
    }
 
 
       double num_double(String str){
 
    double nx;
 
    nx=0;
 
 try{
 
    nx=Double.parseDouble(str);
 
 }catch (Exception e) {}
 
 return nx;
 
 
 
}
 
 
     void readx(String file){
 
String str;
BufferedReader br;  
int s;
s=0;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(file),"UTF-8"));  
while((str = br.readLine()) != null) {  
s=s+1;
data[s]=str;  
}
br.close();
} catch (IOException e) {System.out.println(e);}  
 
datanumber=s;
 
} 
 
 
}