Course.java

package org.launchcode.java.demos.lsn4classes2;

import java.util.ArrayList;
import java.util.Objects;

public class Course {
    private String topic;
    private Teacher instructor;
    private ArrayList<Student> enrolledStudents;

    // TODO: Add your custom 'toString' method here. Make sure it returns a well-formatted String rather than
    //  just the class fields.

    public String toString() {
        String courseReport = String.format("%s is taught by %T", this.topic, this.instructor);
        return courseReport;
    }

    // TODO: Add your custom 'equals' method here. Consider which fields should match in order to call two
    //  Course objects equal.
    public boolean equals(Object toBeCompared) {
        if(toBeCompared == this) {
            return true;
        }

        if(toBeCompared == null) {
            return false;
        }

        if(toBeCompared.getClass() != getClass()){
            return false;
        }

        Course theCourse = (Course) toBeCompared;
        return theCourse.getCoursetopic() == getCoursetopic();
    }

    public String getCoursetopic() {
        return topic;
    }
}