How class relationships can be represented in UML ?

Classes in UML

Objects described by classes collaborate

Classes describe objects

• Interface (member function signature)
• Behaviour (member function implementation)
• State bookkeeping (values of data members)
• Creation and destruction
• Class relations → object relations
• Dependencies between classes

Relationships between classes

Structural relationship :

• Association
• Aggregation
• Composition

Using relationship :

• Dependency

Sharing relationship :

• Inheritance