String myTempArray[];
        //reading all the lines in the input file
        while (input.hasNext()) {
          //storeing each line of the input file in the variable LINE.(changes with each iteration)
          line = input.nextLine();
          myTempArray = line.Split(" ");
          if (lineCounter == 0) {
            _setNumberOfCourses(line);
          } else if (lineCounter == 1) {
            _SetNumberOfStudents(line);
          } else if ( myTempArray[0].equals("Add_Course") ) {
            _addCourse( myTempArray );
          } else if ( myTempArray[0].equals("Add_ExamType") ) {
            _addExamType( myTempArray );
            //ETC. Continue like so
          } else {
            _addMarks( myTempArray );
          }


            //System.out.println(line);
            lineCounter++;
        }