Nå med interface

Emne 3/IntroInterface/IntroInterface/IQuestion.cs

@@ -0,0 +1,6 @@
+namespace IntroInterface;
+
+public interface IQuestion
+{
+   bool Run();
+}

Emne 3/IntroInterface/IntroInterface/MultipleChoiceQuestions.cs

@@ -1,6 +1,6 @@
 namespace IntroInterface;
 
-public class MultipleChoiceQuestions
+public class MultipleChoiceQuestions: IQuestion
 {
     private readonly string _question;
     private readonly string[] _answers;
@@ -23,5 +23,9 @@ public class MultipleChoiceQuestions
             var answer = _answers[i];
             Console.WriteLine(answerNo + ": " + answer);
         }
+        Console.WriteLine("Velg Svaralternativ: ");
+        var selectedAnswerNoStr = Console.ReadLine();
+        var selectedAnswerNo = Convert.ToInt32(selectedAnswerNoStr);
+        return selectedAnswerNo == _correctAnswerNo;
     }
 }

Emne 3/IntroInterface/IntroInterface/Program.cs

@@ -1,8 +1,8 @@
 using IntroInterface;
 
- var questions = new ???[]
+ var questions = new IQuestion[]
  {
-    new SimpleAnswerQuestion("Hva er 2+2?", "4"),
+    new SingleAnswerQuestion("Hva er 2+2?", "4"),
     new MultipleChoiceQuestions("Hva er hovedstaden i Norge?", 3,"Stavern", "Larvik","Oslo"),
  };
  
@@ -10,6 +10,7 @@
  foreach (var question in questions)
  {
      var isCorrect = question.Run();
+     
      if (isCorrect)
      {
          Console.WriteLine("Riktig!");

Emne 3/IntroInterface/IntroInterface/SingleAnswerQuestion.cs

@@ -1,11 +1,11 @@
 namespace IntroInterface;
 
-public class SimpleAnswerQuestion
+public class SingleAnswerQuestion: IQuestion
 {
     private readonly string _question;
     private readonly string _correctanswer;
 
-    public SimpleAnswerQuestion(string question, string correctanswer)
+    public SingleAnswerQuestion(string question, string correctanswer)
     {
         _correctanswer = correctanswer;
         _question = question;