Student

public class Student implements Comparable<Student> {

    private final String name;
    private final double cGPA;

    public Student(String name, double cGPA) {
        this.name = name;
        this.cGPA = cGPA;
    }

    public String getName() {
        return name;
    }

    public double getCGPA() {
        return cGPA;
    }

    // Natural order: ascending by GPA (descending can be done with reverseOrder() in the driver)
    @Override
    public int compareTo(Student other) {
        return Double.compare(this.cGPA, other.cGPA);
    }

    @Override
    public String toString() {
        return String.format("Name=%s; Cumulative GPA=%.2f", name, cGPA);
    }
}