Nur zur Info:
Es gibt
Character.isLetter(char c)
Character.isLetterOrDigit(char c)
usw.
Könnte daran liegen, daß Dos die Buchstaben anders kodiert.
Du kannst ja mal probieren, was er da ausgibt:
Code:
static boolean isLetter (char ch){
System.out.println(ch);
System.out.println(Character.getValue(ch));
System.out.println(Character.getNumericValue(ch));
return Character.getNumericalValue(ch)==196; //dez 196 = hex C4
}
Jak
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