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38 Use Case Diagram & Scanner Class

Use Case Diagram

Scanner Class

Når vi skal have input fra konsollen har vi indtil nu brugt System.console().readLine();
Input er her kun strings, men disse kan konverteres med:

  String text = "12.34";
  double value = Double.parseDouble(text);

  String number = "10";
  int result = Integer.parseInt(number);

Scanner

Scanner klassen er smartere, den har flere metoder:

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