CIS 260 Course.java

Code

/*
    Course.java
    CIS 260
    David Klick
    2014-02-09

    This program demonstrates some simple class concepts.
*/   

public class Course {
    private String department;
    private int courseNumber;
    private String section;
    private String room;
    private String name;

    // a variety of constructors is provided
    public Course(String dept, int num, String sec, String rm, String nm) {
        setDepartment(dept);
        setCourseNumber(num);
        setSection(sec);
        setRoom(rm);
        setName(nm);
    }
    public Course(String dept, int num, String sec, String rm) {
        this(dept, num, sec, "", rm);
    }
    public Course(int num, String sec, String rm) {
        this("CIS", num, sec, "", rm);
    }
    public Course(int num, String rm) { 
        this("CIS", num, "A", "", rm);
    }
    public Course() {
        this("", 0, "", "", "");
    }

    // mutator methods
    public void setDepartment(String dept) {
        if (dept == null) dept = "";
        department = dept;
    }
    public void setCourseNumber(int num) {
        if (num < 0) num *= -1;
        courseNumber = num;
    }
    public void setSection(String sec) {
        if (sec == null || sec.length() == 0) sec = "A";
        section = sec;
    }
    public void setRoom(String rm) {
        if (rm == null) rm = "";
        room = rm;
    }
    public void setName(String name) {
        if (name == null) name = "";
        this.name = name;
    }

    // accessor methods
    public String getDepartment() { return department; }
    public int getCourseNumber() { return courseNumber; }
    public String getSection() { return section; }
    public String getRoom() { return room; }
    public String getName() { return name; }

    // useful for easy output and debugging
    public String toString() {
        String s = department + ' ' + courseNumber + section;
        if (name.length() > 0) s += " (" + name + ")";
        if (room.length() > 0) s += room;
        return s;
    }
}