For the given sequence diagram, } enroll() s1:Student } <> Which of the following correctly implements the design? a) public class Student { register() accessCourse() private Course c1= new Course(); public void enroll() { } c1:Course c1.register(); c1.accessCourse(); b) public class Course { private Course c1 = new Student(); public void enroll() { c1.register(); c1.accessCourse();

For the given sequence diagram, } enroll() s1:Student } <> Which of the following correctly implements the design? a) public class Student { register() accessCourse() private Course c1= new Course(); public void enroll() { } c1:Course c1.register(); c1.accessCourse(); b) public class Course { private Course c1 = new Student(); public void enroll() { c1.register(); c1.accessCourse();

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

Problem 1PE

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Question

For the given sequence diagram,
}
s1:Student
enroll()
<<create>>
}
Which of the following correctly implements the design?
a)
public class Student
{
register()
accessCourse()
private Course c1 = new Course();
public void enroll()
{
c1:Course
c1.register();
c1.accessCourse();
b)
public class Course
{
private Course c1 = new Student();
public void enroll()
{
c1.register();
c1.accessCourse();

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