64
•
Asosiasi: hubungan yang dinyatakan dengan angka dan melambangkan kaitan
antara satu class dengan class yang lain (Gambar 2.8).
Anywhere from
one to many
0..*
Car
Person
1..*
Ownership
Owned By
Used By
Anywhere from
zero to many
Name is optional,
but recommended
Gambar 2.8 Hubungan Asosiasi
•
Agregasi: hubungan yang menyatakan suatu class merupakan suatu bagian dari
class yang lain (Gambar 2.9).
Car
Anywhere from
four to many
A
car has
1
1
1
1
1
4..*
Body
Motor
Wheel
One and
only one
Body is
Owned by
Car
1
1..*
Cam Shaft
Cylinder
1
2..*
Assembly side
Component side
(min and max)
Gambar 2.9 Hubungan Agregasi
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