| Total Complexity | 32 | 
| Dependencies | 0 | 
| Dependents | 2 | 
| Total lines | 201 | 
| Lines of code | 133 | 
| Logical lines of code | 96 | 
| Comment lines | 31 | 
| Methods | 5 | 
| Properties | 9 | 
| Method | Rating | Maintainability | Complexity | Lines of code | 
|---|---|---|---|---|
| addChapter() | 44 | 12 | 48 | |
| addNote() | 50 | 8 | 32 | |
| deleteChapter() | 55 | 5 | 21 | |
| deleteNote() | 55 | 5 | 21 | |
| __construct() | 62 | 2 | 11 |