Updated Course Class

package com.company;

public class Course {
    private String name;
    private int hours;
    private String grade;

    public Course(){

    }
    public Course(String cn, int ch, String cg){
        setCourseName(cn);
        setCourseHours(ch);
        setCourseGrade(cg);
    }

    public void setCourseName(String cn){
        name = cn;
    }
    public void setCourseHours(int ch){
        hours = ch;
    }
    public void setCourseGrade(String cg){
        grade = cg;
    }
    public String getCourseName(){
        return name;
    }
    public int getCourseHours(){
        return hours;
    }
    public String getCourseGrade(){
        return grade;
    }
}