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Feb 10th, 2016
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  1. import javax.swing.*;
  2.  
  3. public class ZahlenUmrechnerMain {
  4.  
  5. public static void main(String[] args) {
  6.  
  7.  
  8. int min = 0;
  9. int sek = 0;
  10. float sekzwei = 0f;
  11.  
  12.  
  13. //Textfeld erstellen
  14. JTextField[] feld = {new JTextField(), new JTextField(), new JTextField()};
  15. Object[] msg ={"Minuten", feld[0],"Sekunden", feld[1],"nur Sekunden", feld[2],
  16. "Entweder Min+Sek oder nur Sek!"};
  17.  
  18.  
  19. //Anzeigefenster
  20. JOptionPane.showConfirmDialog(null, msg, "Umrechner", 2);
  21.  
  22. String strmin = feld[0].getText();
  23. String strsek = feld[1].getText();
  24. String strsek2 = feld[2].getText();
  25.  
  26.  
  27. if (strsek2.trim().equals(""))
  28. {
  29. min = Integer.parseInt(strmin);
  30. sek = Integer.parseInt(strsek);
  31.  
  32. JOptionPane.showMessageDialog(null,min * 60 + sek + "sek" );
  33. }
  34. // Ansonsten verwende nur das letzte Feld
  35. else
  36. {
  37. int time = Integer.parseInt(strsek2);
  38.  
  39. int minutes = time / 60;
  40. int seconds = time % 60;
  41.  
  42. String time_str = String.format("%d:%02d", minutes, seconds);
  43.  
  44. JOptionPane.showMessageDialog(null, time_str + "min");
  45. }
  46.  
  47.  
  48.  
  49.  
  50. }
  51.  
  52. }
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