GRASP

Information expert

• Assign responsibility to the class that has the information needed to fulfill it.

Low Coupling, High Cohesion

Creator

In general, Assign class B the responsibility to create object A if one, or preferably more, of the following apply

• Instances of B contain or compositely aggregate instances of A
• Instances of B record instances of A
• Instances of B closely use instances of A
• Instances of B have the initializing information for instances of A and pass it on creation

Low Coupling, Factory pattern

Controller