code cleaned up and course unit tests done

IndividualProject/src/main/java/dev/coms4156/project/individualproject/Course.java

@@ -1,9 +1,24 @@
 package dev.coms4156.project.individualproject;
 
-import java.io.*;
-
+// import java.io.*;
+import java.io.Serializable;
+
+/**
+ * Represents a course with an instructor teaching the course, 
+ * location held, time slot, max capacity, and enrolled students.
+ * This class stores information about the course,
+ * provides methods to enroll students, drop students, 
+ * reassign instructors, reassign locations, and reassign time slots.
+ */
 public class Course implements Serializable {
 
+  private static final long serialVersionUID = 123456L;
+  private final int enrollmentCapacity;
+  private int enrolledStudentCount;
+  private String courseLocation;
+  private String instructorName;
+  private String courseTimeSlot;
+
   /**
    * Constructs a new Course object with the given parameters. Initial count starts at 0.
    *
@@ -20,44 +35,81 @@ public Course(String instructorName, String courseLocation, String timeSlot, int
     this.enrolledStudentCount = 500;
   }
 
- /**
+  /**
    * Enrolls a student in the course if there is space available.
    *
    * @return true if the student is successfully enrolled, false otherwise.
    */
   public boolean enrollStudent() {
-   enrolledStudentCount++;
-    return false;
+    if (this.enrolledStudentCount >= this.enrollmentCapacity) {
+      return false;
+    } else {
+      this.enrolledStudentCount++;
+      return true;
+    }
   }
 
- /**
+  /**
    * Drops a student from the course if a student is enrolled.
    *
    * @return true if the student is successfully dropped, false otherwise.
    */
   public boolean dropStudent() {
-    enrolledStudentCount--;
-    return false;
+    if (this.enrolledStudentCount == 0) {
+      return false;
+    } else {
+      this.enrolledStudentCount--;
+      return true;
+    }
   }
 
-
+  /**
+   * Get a courses location.
+   *
+   * @return courseLocation of the course.
+   */
   public String getCourseLocation() {
-    return this.instructorName;
+    // return this.instructorName;
+    return this.courseLocation;
   }
 
-
+  /**
+   * Get a course's instructure name.
+   *
+   * @return instructorName of the course.
+   */
   public String getInstructorName() {
-    return this.courseLocation;
+    // return this.courseLocation;
+    return this.instructorName;
   }
 
-
+  /**
+   * Get a course's time slot.
+   *
+   * @return courseTimeSlot of the course.
+   */
   public String getCourseTimeSlot() {
     return this.courseTimeSlot;
   }
 
-
+  /**
+   * Get a course's information in strings.
+   *
+   * @return strings of instructor, location, and time slot of the course.
+   */
   public String toString() {
-    return "\nInstructor: " + instructorName +  "; Location: "  + courseLocation +  "; Time: " + courseTimeSlot;
+    return "\nInstructor: " + this.instructorName 
+      +  "; Location: "  + this.courseLocation 
+      +  "; Time: " + this.courseTimeSlot;
+  }
+
+  /** 
+   * Get a course's enrolledStudentCount. added
+   *
+   * @return enrolledStudentCount of the course.
+   */
+  public int getEnrolledStudentCount() {
+    return this.enrolledStudentCount;
   }
 
 
@@ -82,14 +134,14 @@ public void setEnrolledStudentCount(int count) {
 
 
   public boolean isCourseFull() {
-    return enrollmentCapacity > enrolledStudentCount;
+    return this.enrolledStudentCount >= this.enrollmentCapacity;
   }
 
-  @Serial
-  private static final long serialVersionUID = 123456L;
-  private final int enrollmentCapacity;
-  private int enrolledStudentCount;
-  private String courseLocation;
-  private String instructorName;
-  private String courseTimeSlot;
+  // @Serial
+  // private static final long serialVersionUID = 123456L;
+  // private final int enrollmentCapacity;
+  // private int enrolledStudentCount;
+  // private String courseLocation;
+  // private String instructorName;
+  // private String courseTimeSlot;
 }

IndividualProject/src/main/java/dev/coms4156/project/individualproject/Department.java

@@ -1,7 +1,11 @@
 package dev.coms4156.project.individualproject;
 
-import java.io.*;
-import java.util.*;
+// import java.io.*;
+// import java.util.*;
+import java.io.File;
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map; 
 
 
 /**
@@ -11,6 +15,12 @@
  */
 public class Department implements Serializable {
 
+  private static final long serialVersionUID = 234567L;
+  private HashMap<String, Course> courses;
+  private String departmentChair;
+  private String deptCode;
+  private int numberOfMajors;
+
   /**
    * Constructs a new Department object with the given parameters.
    *
@@ -42,7 +52,8 @@ public int getNumberOfMajors() {
    * @return The name of the department chair.
    */
   public String getDepartmentChair() {
-    return "this.departmentChair";
+    // return "this.departmentChair";
+    return this.departmentChair;
   }
 
   /**
@@ -106,13 +117,14 @@ public String toString() {
       result.append(deptCode).append(" ").append(key).append(": ").append(value.toString())
           .append("\n");
     }
-    return "result.toString()";
+    // return "result.toString()";
+    return result.toString();
   }
 
-  @Serial
-  private static final long serialVersionUID = 234567L;
-  private HashMap<String, Course> courses;
-  private String departmentChair;
-  private String deptCode;
-  private int numberOfMajors;
+  // @Serial
+  // private static final long serialVersionUID = 234567L;
+  // private HashMap<String, Course> courses;
+  // private String departmentChair;
+  // private String deptCode;
+  // private int numberOfMajors;
 }