class Course {
	private String name, mark;
	private boolean marked;
	
	/*
	 * Constructors & housekeeping
	 */
	public Course(String coursename) {
		name = coursename;
		marked = false;
    }
    public String toString() {
    	return name + " " + getMark();
    }
    
    /*
     * simple getters and setters
     */
    public String getName() {
    	return name;
    }
    public String getMark() {
    	if ( marked ) {
    	    return mark;
    	} else {
    		return "--";
    	}
    }
    public void setMark(String m) {
    	mark = m;
    	marked = true;
    }
    
    /*
     * testing code
     */
    public static void main(String[] args) {
    	Course c = new Course("CMPT 125");
    	System.out.println(c);
    	
    	System.out.println(c.getMark());
    	c.setMark("A+");
    	System.out.println(c.getMark());
    }    
}