じゃヴぁ５７ぺｎ - プログラム倉庫

import java.io.*;

class ex57{

String[] data=new String[50000];
double rev[]=new double[200];  
double rate[]=new double[200];  
double exp[]=new double[200];
double kyo[]=new double[200];
double koku[]=new double[200];

int s,datanumber;
int year,age;

void makedata(){

readfile("data/data5701.csv");

for(s=1;s<datanumber+1;s++){
String[] x=data[s].split(",");
year=Integer.parseInt(x[0]);
rate[year]=Double.parseDouble(x[1]);
rev[year]=Double.parseDouble(x[3]);
koku[year]=Double.parseDouble(x[5]);
exp[year]=Double.parseDouble(x[8]);
kyo[year]=Double.parseDouble(x[9]);
}


}

void readfile(String file){

String str;
BufferedReader br;  

s=0;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(file),"SJIS"));  
while((str = br.readLine()) != null) {  
s=s+1;
data[s]=str;  
}
br.close();
} catch (IOException e) {System.out.println(e);}  

datanumber=s;

}

}