Describe a UML class diagram. b. Describe a class, an object, and the relationship between them. c. Describe what is meant by the identity, state, and behavior of an object.
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chapter 14
a. Describe a UML class diagram.
b. Describe a class, an object, and the relationship between them.
c. Describe what is meant by the identity, state, and behavior of an object.
Step by step
Solved in 2 steps
- Listen In an object-oriented design using UML, basic relationships, whereas objects. Blank # 1 Blank # 2 diagrams are used to represent classes and their diagrams are used to represent communication between A/ ADraw a class diagram from the object diagram belowDraw an object diagram from this class diagram
- Draw a simple UML class diagram for the following system: “A library has sections which store books and users who borrow them.” You should draw the four classes and their relationships only. Justify the relationships brieflyCourse: System Analysis And Design , ITMA 411 State refers to an object’s current status. A state transition diagram shows how an object changes from one state to another, depending on events that affect the object. All possible states must be documented in the state transition diagram.In a state transition diagram, the states appear as rounded rectangles with thestate names inside. The initial state represented as a small circle, and it is the point where the object first interacts with the system. Lines used to show direction and describe the action or event that causes a transition from one state to another. The final state represented as a circle with a hollow border.In this assignment you are requested to create State Transition Diagram for the student registration system. Kindly Use Lucid ChartCreate a UML class diagram using arrows to show the relationships between classes for the following scenario. The class diagram is attached for reference. A parking deck system manages an entry/exit gate, which opens to let a vehicle (i.e., car) into or out of the deck and closes when the car has passed through. A driver must push a button to print a parking permit. When the driver takes the parking permit, the system raises the gate. The system lowers the gate after the vehicle has passed through. A permit id and time of entry is printed on the parking permit, and is also encoded on the permit’s bar code. When the vehicle leaves the parking deck, the driver inserts the parking permit into a bar code reader, which scans the bar code, and then transmits the bar code to the parking system. The parking system calculates a fee that is based on the number of hours that have elapsed since the vehicle entered the parking deck, and displays the fee to the operator and driver. The driver must…
- Write definition of class Transaction, class BalanceInquiry, class Withdrawal, and class Deposit as per correct understanding of the class diagram given below. Keep in mind the notion of abstract classes. You are required to write only the class header, containing declaration of its attributes and methods as understandable from the diagram. (Object-Oriented Programming)Question: Propose a UML class diagram for the management of horse race events. Add the cardinalities, the attributes, and the methods that you believe relevant in the classes. we are interested in the management of horse race events. A race could be local or international. It is held in a given location and organized by one or more organizers. An organizer could be of two types: event organizer or local organizer. For every race there will be exactly 3 trophies. Several horses participate in a given race. A horse has a type. It is trained by one and only one trainer. It is also ridden by one and only one racer. For every race, there will be a result assigned to every horse. A racer may have received several trophies. For every trophy received, the date of awarding is stored. Racers are organized into teams. A team may include several racers. One of these racers is appointed as leader. Every team of racers has a chief trainer. The chief trainer has the role of supervisor (i.e.…Explain the following UML Class diagram in details.
- Question 23 To show inheritance in a UML class diagram you would use a solid line with a fat-headed arrow. The line should be attached to the child class and the arrow should be attached to the parent class. True FalseQ.No.1. A) When would private and protected class members be used in an object-oriented program? Clearly distinguish between them. B) How are private and protected class members represented in a UML class diagram? Give an example class definition in UML that contains a field of each type. Q.No.2. A) Describe how is-a and has-a inter-class relationships may be implemented in object-oriented programming, give code examples to support your answer. B) Explain the difference between the object-oriented design concepts of generalization and specialization and describe how these relate to the inheritance feature in object-oriented programming languages. Q.No.3. A) Describe TWO features of object-oriented programming languages that promote code reuse. B) Name THREE different types of polymorphism commonly available in object-oriented programming languages, give code examples to support your answer.Draw a UML class diagram for the following three classes to show their structures and relationships.