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Program 1
 

import oopcourse.util.Console;

class AskUser{

 public static void main(String args[]){
   boolean x;
   String svarString;   char svar;
   boolean positivtSvar;

   do { svarString = Console.readString("Kan du forstå denne do løkke? ");
        svar = svarString.charAt(0);
   } while (svar != 'j' && svar != 'n');
   positivtSvar = svar == 'j';

   System.out.println("Svaret var " + (positivtSvar ? "ja" : "nej"));
 }
}