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Created July 9, 2020 08:14
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public static String dateiEinlesen(String dateiname){
FileInputStream fis = new FileInputStream(dateiname);
InputStreamReader isr = new InputStreamReader(fis);
BufferedReader br = new BufferedReader(isr);
String linie = br.readLine();
String inhalt = "";
while (linie != null){
inhalt += linie;
linie = br.readLine();
return inhalt;
catch (IOException ioAusnahme){
System.out.println("Datei konnte nicht geöffnet werden.");
return "Fehler";
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