public class Student implements Comparable<Student>{
//public class Student {
	private String name;
	private double gpa;
	private boolean graduate;

	public Student(String lastName, double gradePoint, String graduate){
		name = lastName;
		setGPA(gradePoint);
		if(graduate.equalsIgnoreCase("G")){
			this.graduate = true;
		}
		else
			this.graduate = false;
	}

	public void setGPA(double gpa){
		if(gpa > 4.0){
			gpa = 4.0;
		}
		else if(gpa < 0.0){
			gpa = 0.0;
		}
		else 
			this.gpa = gpa;
	}

	public boolean getGraduate(){
		return graduate;
	}

	public String getName(){
		return name;
	}

	public double getGPA(){
		return gpa;
	}


	public String toString(){
		String output = "Name: " + name + " GPA: " + gpa;
		if(graduate){
			output += "  Graduate Student";
		}
		else
			output += "  Undergraduate Student";
		return output;
	}

	@Override
	/*
	 * (non-Javadoc)
	 * @see java.lang.Comparable#compareTo(java.lang.Object)
	 * returns -1 if this student should be ordered before o
	 * returns 1 if this student should be ordered after o
	 * returns 0 if this student and o have no defined relative ordering
	 */
	public int compareTo(Student o) {
		//compare graduate vs. undergraduate
		if(this.graduate != o.getGraduate()){
			if(this.graduate == false){
				return -1;
			} else {
				return 1;
			}
		//compare GPA
		} else if(this.gpa != o.getGPA()){
			if(this.gpa < o.getGPA()){
				return 1;
			} else {
				return -1;
			}
		//compare name
		} else {
			return this.name.compareTo(o.getName());
		}
	}
}