edu.pdx.cs410J.junit.Course Maven / Gradle / Ivy
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package edu.pdx.cs410J.junit;
/**
* This class represent a course taught at a university.
*/
public class Course {
/** The name of the department in which this course is taught */
private String department;
/** The number of the course */
private int number;
/** The number of credits for this course */
private int credits;
//////////////////////// Constructors /////////////////////////
/**
* Creates a new Course with a given name, taught in a
* given department, and for a given number of credits
*
* @throws IllegalArgumentException
* number is less than 100 or credits is less
* than 0
*/
public Course(String department, int number, int credits) {
if (number < 100) {
String s = "A course number (" + number +
") must be greater than 100";
throw new IllegalArgumentException(s);
}
this.department = department;
this.number = number;
this.setCredits(credits);
}
///////////////////// Accessor Methods ////////////////////////
/**
* Sets the number of credits that this course is worth
*/
public void setCredits(int credits) {
if (credits < 0) {
String s = "A course cannot be taken for a negative number " +
"of credits: " + credits;
throw new IllegalArgumentException(s);
}
this.credits = credits;
}
/**
* Returns the number of credits that this course is worth
*/
public int getCredits() {
return this.credits;
}
/**
* Returns the department that offers this course
*/
public String getDepartment() {
return department;
}
/**
* Returns the number of this course
*/
public int getNumber() {
return number;
}
}