bài số 8 thiết kế lớp



OBJECT-ORIENTED ANALYSIS
OBJECT-ORIENTED ANALYSIS
AND DESIGN WITH UML 2.0
AND DESIGN WITH UML 2.0


Bé m«n C«ng nghÖ phÇn mÒm
Bé m«n C«ng nghÖ phÇn mÒm
KHOA CÔNG NGHỆ THÔNG TIN
KHOA CÔNG NGHỆ THÔNG TIN
TRƯỜNG ĐẠI HỌC BÁCH KHOA HÀ NỘI
TRƯỜNG ĐẠI HỌC BÁCH KHOA HÀ NỘI










 !"#$% !&
 !"#$% !&


'()"$!&
'()"$!&



*"+,,! !&
*"+,,! !&
-
-

.
/"+%0$&

.
/"+%0$&
1
1
2
.
"3$$$4&
2
.
"3$$$4&
5
5
678 "9$$% : !&
678 "9$$% : !&
-
-
;<=>%!0?@'(
;<=>%!0?@'(
 !A 
 !A 



 !
 !
BC ,,+
B$%D!%EF$,!,04"&B%$,
BC ,,
C ,,
+ $%D!%EF$,!,04"&B%$,
1
1
*GEH !
*GEH !
=!% * !/I
=!% * !/I

H7H
H7H

JK28A L'I"M&
JK28A L'I"M&

N7O 
N7O 
OPA  !
OPA  !

operationName([direction]parameter : class, ) : returnType
operationName([direction]parameter : class, ) : returnType
3%$!B
3%$!B

in
in
"EQ&R
"EQ&R
out
out
!Q
!Q
inout
inout


S' % EHTMR0 !@EPU A NH
S' % EHTMR0 !@EPU A NH
 E,L
 E,L
5
5
V'WOP !
V'WOP !
XOPA  !RY<$E<Z>
XOPA  !RY<$E<Z>
 E,L8B
 E,L8B

S'I%4[$! E% 4 E0
S'I%4[$! E% 4 E0

C80 460\ ! 4
C80 460\ ! 4


C8]4M
C8]4M

^%EQ
^%EQ

C!H E,LI>
C!H E,LI>
C/ E,LRL
C/ E,LRL
%4[L'I 4G!=O
%4[L'I 4G!=O
>
>
_
_
Public
operation
s
Protected
operations
Private
operations
`=EG%4^A  !
`=EG%4^A  !
"#$% !a,04&
"#$% !a,04&
`=EG%4^'I,K2?b>
`=EG%4^'I,K2?b>

Hc88
Hc88
C8?0R%!$$R!Q%G $
C8?0R%!$$R!Q%G $


`=EG%4^'I0?d
`=EG%4^'I0?d
'!e
'!e
CP>, 'I,K2B
CP>, 'I,K2B



f
f
`0 $,,
`0 $,,



g
g
`%!$$ $,,
`%!$$ $,,



h

h
`%G $ $,,
`%G $ $,,
C ,,
- %G $+%0$
f0+%0$
g%!$$+%0$
h%G $#$% !"&
f0#`$% !"&
g%!$$#$% !"&
i
i
`=EG"J!$&
`=EG"J!$&
,L'I?>A /j !
,L'I?>A /j !
B
B

k, $B?>!El?>A El
k, $B?>!El?>A El

C ,,D$%B?>!NH?>A 
C ,,D$%B?>!NH?>A 
`=EGC ,,D$%'IP>0m=
`=EGC ,,D$%'IP>0m=
'*/j !
'*/j !
C ,,
h ,,D$%J!$+%

h, $J!$+%
f ,,D$%J!$#"&
f, $J!$#"&
n
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a/2BJ!$
a/2BJ!$
J$
h E$
h %$,,
h$<+G k3B
f J$$"op$J$$BJ$$RopD!%J$E$,$%BJ$E$,$%&
f$J$$"opD!%J$E$,$%BJ$E$,$%&BJ$$
f ,`%$%$7,$,"opD!%C!%,$#DD$%BC!%,$#DD$%&B0!!$ 
g ,,$"op$C!%,$#DD$%BC!%,$#DD$%&B0!!$ 
f$$<+G k3"&B
h,$k3
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 !"#$% !&
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'()"$!&


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*"+,,! !&
-
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.
/"+%0$&

.
/"+%0$&
1
1
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.
"3$$$4&
2
.
"3$$$4&
5
5
678 "9$$% : !&
678 "9$$% : !&
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'()

'()
`'()"E$!&e
`'()"E$!&e

H,bbA  !"!
H,bbA  !"!
$% !
$% !
&
&
2/
2/



GN[
GN[


%*!
%*!
G*
.
b !
G*
.
b !
CGN[Y<$E<Z
CGN[Y<$E<Z
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B

Cq
.
!c
.
0*
.

Cq
.
!c
.
0*
.


CL'I!c
.
 !Y,K2
CL'I!c
.
 !Y,K2

C
.
/G E,L,r'IbG,K
C
.
/G E,L,r'IbG,K

2
2

CEL7 *
.
,r'IbG,K2
CEL7 *
.
,r'IbG,K2
1
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


 !"#$% !&
 !"#$% !&

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'()"$!&
'()"$!&


*"+,,! !&
*"+,,! !&
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.
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
.
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1
1
2
.
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.
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5
5
678 "9$$% : !&
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*
2/
2/

sIt=
sIt=
CGN[Y<$E<ZB
CGN[Y<$E<ZB

+,,! !G,+%$ !
+,,! !G,+%$ !


+%$ !G,C!E!,!
+%$ !G,C!E!,!

+%0$G,+,,! !
+%0$G,+,,! !

 G 04
 G 04

4$,
4$,
_
_
C!E!,!e
C!E!,!e
=A  %$ !G74[,\O
=A  %$ !G74[,\O
E=GGtu%]
E=GGtu%]

v!$,\O` %R=!GA4` %
v!$,\O` %R=!GA4` %

` %00wv!$00wR` %?@=
` %00wv!$00wR` %?@=
v!$@=
v!$@=
v!$
C!E!,!


` %
` %v!$
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
J %$+%$ !
J %$+%$ !
!h, %$+%$ !
!h, %$+%$ !
+%$ !BJ %$G,!h, %$
+%$ !BJ %$G,!h, %$
4$D!R!E!,!,!h, %$ %$ !
v!$ ` %
x nx
Multiplicity > 1
Multiplicity = 1
Multiplicity = 1

v!$ ` %
 nx
v!$ ` %
nx
Composition
i
i
+%$ ! 4C!E!,!e
+%$ ! 4C!E!,!e
$E<ZGtuA C ,,GC ,,
$E<ZGtuA C ,,GC ,,
Aggregation
Composition

C ,, C ,,
C ,, C ,,
n
n
a/2BC!E!,!
a/2BC!E!,!

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JK2!E!,!B
JK2!E!,!B
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Ct=,K2/" %0$&
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S['" G 04&e
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S['{EI/,K
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2 ,,! !
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Cần một cho
CourseInfo
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