## Controller
def dan2

    # Last CPP Course Term (Format "200910")
    last_cpp_course_term = "200910"

    # First Java Course Term (Format "200920")
    first_java_course_term = "200920"

    # CPP Courses
    courses_152_cpp = Course.find(:all, :conditions => "section LIKE 'CSC 152%' AND term_code <= '#{last_cpp_course_term}'").collect { |course| course.class_id }

    # CPP Grades
    @grades_152_cpp = Grade.count(:group => :final_grade, :conditions => {:class_id => courses_152_cpp})

    # Java Courses
    courses_152_java = Course.find(:all, :conditions => "section LIKE 'CSC 152%' AND term_code >= '#{first_java_course_term}'").collect { |course| course.class_id }

    # Java Grades
    @grades_152_java = Grade.count(:group => :final_grade, :conditions => {:class_id => courses_152})

end