design patterns in java

5:38

10:53

1:20:00

10:53

13:22

4:18

5:20

35:10

5:16

1:12

4:56:17

13:09

1:04

3:38

15:02

10:41

3:13

1:28

16:01

22:54

4:24

7:50

12:55

1:54

15:02

4:39

6:46

13:09

8:05

15:06

کوتاه

16:23

8:00

1:23

10:59

5:50

21:06

1:51

5:29

5:57