お９９９ｐ - 経済統計練習帳

package p4;
 
import tool.*;
 
public class pro {
 
   int s,datanumber;
String[] data=new String[50000];
   int[] y1=new int[50000];
int[] m1=new int[50000];
int[] y2=new int[50000];
int[] m2=new int[50000];
String[] week=new String[50000];
int[] code=new int[50000];
String[] title=new String[50000];
String[] sta=new String[50000];
String[] artist=new String[500000];
String[] codex=new String[500000];
int[] code_tv=new int[500000];
int number;
int[] point=new int[50000];
String[] t=new String[50000];
 
public static void main(String[] args) {
        pro t=new pro();
    }
 
    pro(){
 
    readfile sub=new readfile();
   sub.makedata("data.csv","UTF-8");
   data=sub.data;
   datanumber=sub.datanumber;
 
   for(s=1;s<datanumber;s++){
   String[] x=data[s+1].split(",");
        y1[s]=num_int(x[4]);
   m1[s]=num_int(x[5]);
   y2[s]=num_int(x[6]);
   m2[s]=num_int(x[7]);  
   week[s]=x[3];
   code[s]=num_int(x[1]);
   title[s]=x[0];
  sta[s]=x[2];   
   }
 
 
   int sx=0;
 for(s=1;s<datanumber;s++){
 if(y1[s]==1995)sx=sx+1;    
 if(y1[s]==1995)point[sx]=code[s];  
 if(y1[s]==1995)t[sx]=title[s];  
 }  
 
   int delta=sx;
 int tr;
   for(tr=1;tr<delta+1;tr++){
   artist sub2=new artist();
   sub2.makedata(point[tr]);
   number=sub2.number; 
   artist=sub2.artist;
  if(number>0) System.out.println(t[tr]+","+artist[1]);
   if(number==0) System.out.println(t[tr]);
   }
 
 
    }
      int num_int(String str){
 
    int nx;
 
    nx=0;
 
 try{
 
    nx=Integer.parseInt(str);
 
 }catch (Exception e) {}
 
 return nx;
 
 
 
} 
 
 
}
 
 
package p4;
 
import tool.readfile;
 
 
public class artist {
 
     int s,datanumber;
String[] data=new String[50000];
   int[] y1=new int[50000];
int[] m1=new int[50000];
int[] y2=new int[50000];
int[] m2=new int[50000];
String[] week=new String[50000];
int[] code=new int[50000];
String[] title=new String[50000];
String[] sta=new String[50000];
String[] artist=new String[500000];
String[] codex=new String[500000];
int[] code_tv=new int[500000];
    int number;
 
    void makedata(int codex){
 
    readfile sub2=new readfile();
   sub2.makedata("artist.csv","UTF-8");
   data=sub2.data;
   datanumber=sub2.datanumber;
 
   int sx=0;
   for(s=1;s<datanumber;s++){
   String[] x=data[s+1].split(","); 
   int n1=0;
   if(x.length>1)n1=num_int(x[1]);
   if(n1==codex)sx=sx+1;
   if(n1==codex)artist[sx]=x[2];
   }
 
   number=sx; 
 
 
 
 
}
   int num_int(String str){
 
    int nx;
 
    nx=0;
 
 try{
 
    nx=Integer.parseInt(str);
 
 }catch (Exception e) {}
 
 return nx;
 
 
 
} 
 
 
 
 
}