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Jul 22nd, 2018
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  1. import java.io.*;
  2. import java.util.*;
  3. public class eluppen {
  4.  
  5. public static void main(String[] args) throws IOException{
  6. File personfil = new File("personfil.txt");
  7. PrintWriter fut= new PrintWriter(new BufferedWriter(new FileWriter("tempfil.txt")));
  8. File viktfil = new File("vikt.txt");
  9. File ut = new File("tempfil.txt");
  10. Scanner vikten = new Scanner(viktfil);
  11. String allt="";
  12. if(vikten.hasNext()){
  13. vikten=vikten.useDelimiter("#");
  14. String na=vikten.next();
  15. int va=vikten.nextInt();
  16. Scanner person = new Scanner(personfil);
  17. Lasfil vager = new Lasfil(na,va);
  18. while(person.hasNext()){
  19. Lasfil pers = new Lasfil(person.nextLine());
  20. if((vager.geNamn()).equals(pers.geNamn())){
  21. pers.setVikt(((pers.geVikt())-(vager.geVikt())));
  22. if(vikten.hasNext()){
  23. vikten.next();
  24. }
  25. allt=pers.allt();
  26. }
  27.  
  28. }
  29.  
  30. fut.println(allt);
  31. person.close();
  32. vikten.close();
  33. fut.close();
  34. personfil.delete();
  35. ut.renameTo(personfil);
  36.  
  37. }
  38.  
  39. }
  40.  
  41. }
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