⚫ To become familiar with the process of program development (§10.2). ⚫ To the relationship types: association, aggregation, composition, strong inheritance, and weak inheritance (§10.3). ⚫ To declare classes to represent the relationships among the classes (§10.3). ⚫ To design systems by identifying the classes and discovering the relationships among these classes (§10.4). ⚫ To implement the Rational class and process rational numbers using this class (§10.5). ⚫ To design classes that follow the class-design guidelines (§10.6). ⚫ To model dynamic behavior using sequence diagrams and statechart diagrams (§10.7 Optional) ⚫ To know the concept of framework-based programming using Java API (§10.8)