object oriented analysis design

1:42

1:42

6:23

4:39

4:54

4:28

7:03

5:52

4:24

7:50

1:23:34

3:36

4:41

4:44

4:08

3:07

1:25

3:23

9:47

1:23:35

3:46

2:46

5:22

2:43

1:15

6:59

15:26

19:16

33:24

9:22

6:53

48:24

4:48

30:12

1:24

10:09

7:15

13:56

11:58

7:34