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Dec 14th, 2019
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  1. import java.io.*;
  2. import java.util.StringTokenizer;
  3. import java.util.Scanner;
  4.  
  5. public class md{
  6.  
  7. public static void main (String[] args) {
  8. StringTokenizer tokens;
  9. //variale para hacer el archivo dinamico.(siempre son 4 columnas)
  10. int Numero_De_Datos;
  11. Numero_De_Datos=0;
  12. try {
  13. String temp="";
  14. String Lista_1 [];
  15. String bfread;
  16. int aux=0;
  17. BufferedReader bf= new BufferedReader(new FileReader("matdiscopy.csv"));
  18. BufferedReader fr= new BufferedReader(new FileReader("matdiscopy.csv"));
  19. while((bfread=fr.readLine()) != null){Numero_De_Datos+=1;}
  20. String matriz[][]= new String [Numero_De_Datos][4];
  21. while((bfread=bf.readLine()) != null){
  22. Lista_1=bfread.split(";");
  23. for (int i = 0; i < 4; i++) {
  24. matriz[aux][i]=Lista_1[i];
  25. }
  26. aux++;
  27. }
  28.  
  29. for (int i = 0; i < Numero_De_Datos; i++) {
  30. for (int j = 0; j < 4; j++) {
  31. System.out.print(matriz[i][j]);
  32. }
  33. System.out.println("\n");
  34. }
  35. }
  36. catch (Exception ex) {
  37. ex.printStackTrace();
  38. }
  39. }
  40.  
  41. }
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