Table 3.

Project models, diagrams and elements.

	Requirements model	Design model	Implementation model
Diagrams
Activity	7	–	–
Class	1	6	6
Package	–	1	1
State charts	3	–	–
Sequence	–	5	–
Use case	3	–	–
Elements
Attributes	23	73	150
Classes	15	41	63
Methods	–	124	280
Packages	–	5	5