SCJA-drills-chap06 Matching
| What is the inner/container relationship between objects related by a composition association? |
| When two objects have a composition association, the containing object often requires the inner object. |
| When are one-to-many relationships possible? |
| One-to-many relationships are possible with both composition and association. |
| What happens to objects that have a aggregation association if the relationship is lost? |
| Two objects that have an aggregation association will logically make sense if the relationship is lost. |
| Give a characteristic of one-to-many relationships, specific to storage of objects? |
| In a one-to-many relationship, the inner object is stored in an array or collection. |
| What is particular to one-to-one relationships, in regard to references? |
| One-to-one relationships have one object that contains a reference to another object. |
| How may relationships be navigated? |
| Relationships may be able to navigate bidirectional or unidirectional. |
| What happens when a relationship is created, object-oriented-wise? |
| A relationship is created when an object contains a reference to another object, often through an instance variable. |
| When is a temporary association relationship created? |
| A temporary association relationship is created when a return value, method parameter, or local variable is used. |
| Give a characteristic of compostion, specific to object creation/passed? |
| In a composition, the inner object is normally created in the containing object. |
| Which role are getter methods playing in regard to navigation? |
| Getter methods are often used to navigate an inner object. |
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