import java.io.BufferedReader;
   import java.io.FileNotFoundException;
   import java.io.FileReader;
   import java.io.IOException;
   import java.io.LineNumberReader;
   
   import edu.umd.cs.findbugs.annotations.ExpectWarning;
   
  public class UserMistakes {
      @ExpectWarning("RE,RV")
      public static void main(String[] args) throws IOException {
          String name = "Mr. Ed";
          name = name.replaceAll(".", "s.");
          System.out.println(name);
  
          // FIXME:FindBugs only catches this error with name.indexOf(String)
          if (name.indexOf("s") > 0)
              System.out.println("Yay");
          else
              System.out.println("Boo");
  
          String result;
  
          try {
              BufferedReader findFiles = new BufferedReader(new FileReader("/mainList.txt"));
              if (findFiles.readLine() != null)
                  result = findFiles.readLine();
              findFiles.close();
          } catch (FileNotFoundException e) {
              System.exit(7);
              e.printStackTrace();
          } catch (IOException e) {
              e.printStackTrace();
          }
  
          LineNumberReader tmp = new LineNumberReader(new FileReader("/mainList.txt"));
          int count = 0;
          while (tmp.readLine() != null)
              count++;
  
          tmp.close();
      }
  
  }