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What will. Be?

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Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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CASE STUDY As a programmer in a software company, you are required to develop a JAVA program for the course training modules. The details of a course include the course name, course code, and total hours. The class has a constructor that initializes all the course details. The class also contains an abstract method that returns the total fee. The online course is the course that will be conducted online. In addition to the data of a course, the online course has the data including course passwords. The constructor initializes all the course details. On the other hand, face to face course is a course which is conducted at the training center. In addition to the data of a course, the face-to-face course has the data including course room number and participant quota. The room number is not accessible by other classes. The constructor initializes the course name, course code, and total hours. Besides, the class has setter and getter methods. All the classes have a method to display ALL data belonging to each class. An interface will be created that consists of fee per hour and meal fee. The fee per hour is RM50.90, and the meal fee is RM15. QUESTION a) Implement ALL classes and interface by using an appropriate object-oriented principle. Table 1 shows the formula to calculate course fees for a different course. Table 1: Course Fees Course Online course Face-to-face course Course fees fee = fee per hour * total hour fee = (fee per hour * total hour) + meal fee
Transcribed Image Text:CASE STUDY As a programmer in a software company, you are required to develop a JAVA program for the course training modules. The details of a course include the course name, course code, and total hours. The class has a constructor that initializes all the course details. The class also contains an abstract method that returns the total fee. The online course is the course that will be conducted online. In addition to the data of a course, the online course has the data including course passwords. The constructor initializes all the course details. On the other hand, face to face course is a course which is conducted at the training center. In addition to the data of a course, the face-to-face course has the data including course room number and participant quota. The room number is not accessible by other classes. The constructor initializes the course name, course code, and total hours. Besides, the class has setter and getter methods. All the classes have a method to display ALL data belonging to each class. An interface will be created that consists of fee per hour and meal fee. The fee per hour is RM50.90, and the meal fee is RM15. QUESTION a) Implement ALL classes and interface by using an appropriate object-oriented principle. Table 1 shows the formula to calculate course fees for a different course. Table 1: Course Fees Course Online course Face-to-face course Course fees fee = fee per hour * total hour fee = (fee per hour * total hour) + meal fee
a) Write a program that demonstrates the classes by creating an object for each online course and face-to-face course. Use the data shown in Table 2 and Table 3 to demonstrate your solution. For the face-to-face course, the program will ask users to enter the room number and the participant quota. Table 2: Online Course Item Course name Course code Total hours Password Item Course name Course code Output example: Total hours Room number Participant quota Online course details Name: Java Table 3: Face to Face Course Code: 30123 Total hours: 2.5 Password: Java_30123 Fee: RM127.25 Value Java J0123 2.5 Java_J0123 What is the room number? F503 Room number: F503 Participant quaota: 30 Fee: RM167.70 Value PhP P0234 3 F503 30 What is the participant quota? 30 Face to face course details Name: Php Code: P0234 Total hours: 3.0
Transcribed Image Text:a) Write a program that demonstrates the classes by creating an object for each online course and face-to-face course. Use the data shown in Table 2 and Table 3 to demonstrate your solution. For the face-to-face course, the program will ask users to enter the room number and the participant quota. Table 2: Online Course Item Course name Course code Total hours Password Item Course name Course code Output example: Total hours Room number Participant quota Online course details Name: Java Table 3: Face to Face Course Code: 30123 Total hours: 2.5 Password: Java_30123 Fee: RM127.25 Value Java J0123 2.5 Java_J0123 What is the room number? F503 Room number: F503 Participant quaota: 30 Fee: RM167.70 Value PhP P0234 3 F503 30 What is the participant quota? 30 Face to face course details Name: Php Code: P0234 Total hours: 3.0
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