RoboDonna

gistfile1.java

import Chalkboard;
import Mouth;
import java.io.IOException;
import java.io.InputStream;
import java.io.File;
import UnknownEmotion;

public class RoboDonna {
   public static void main(String [] args) {
       RoboDonna donna = new RoboDonna();
       donna.teach(args[0]);
   }
   
   public boolean teach(int course_number) throws IOException, UnknownEmotion {
      BufferedReader in = new BufferedReader(new InputStreamReader(new File("courses/cs" + course_number)));
      String line;

      while((line = in.readLine()) != null) {
          Chalkboard.writeline(line);
          Mouth.speak(line);

          if (Math.random(1000000) == 42.0) {
              this.smile();
          }
      }

   public void smile() throws UnknownEmotion {
      throw new UnknownEmotion("What do I do...");
   }

}