Taffy java

package taffy;

import java.io.*;

public class pro {

    String data=new String[100][10];
    int s,sx,datanumber,creditnumber;
 String credit=new String[10];
 String db;   
 
    public static void main(String args) {
        pro test=new pro();
    }
pro(){

creditnumber=2;
datanumber=40;
db="db";
credit[1]="name";
credit[2]="slice";
    
for(s=1;s<datanumber+1;s++){
data[s][1]="角川";
data[s][2]="猫";
}
 
writefile("ren.txt");

}

void writefile(String file){ 

try{ 
PrintWriter pw = new PrintWriter (new BufferedWriter(new FileWriter(file))); 

for(s=1;s<datanumber+1;s++){
pw.print(db);
pw.print(".insert({");
for(sx=1;sx<creditnumber;sx++){
pw.print(credit[sx]); 
pw.print(":");
pw.print(change(data[s][sx])); 
pw.print(",");
}
pw.print(credit[sx]); 
pw.print(":");
pw.print(change(data[s][sx])); 
pw.println(" });");
}

System.out.println("ファイルに書きこみました。"); 
pw.close(); 
} catch(IOException ep){ System.out.println("入出力エラーです。"); } 

} 
String change(String str){
String sre;
sre="\""+str+"\"";    
return sre;
}
}