Kata

Tale University is a bit messy, and can't maintain an ordered list of their student. Tale's dean wants to print a sortet list of his students by the gpa, last name and age and post it on the walls so everybody can be impressed of his great students.

Given a list of students, sort them by (from most important to least important):

• GPA (descending)
• First letter of last name (ascending)
• Age (ascending)

And the class Student:

class Student {
    ...
  int getGpa()
  int getAge();
  String getFullName();
}

class Student {
  constructor(age, gpa, fullName) {
    this.age = age;
    this.gpa = gpa;
    this.fullName = fullName;
  };
};

Return the sorted result as full names string, comma separated.

For Example, given the list (name, age, gpa):

• David Goodman, 23, 88
• Mark Rose, 25, 82
• Jane Doe, 22, 90
• Jane Dane, 25, 90

sort(students) should return "Jane Doe,Jane Dane,David Goodman,Mark Rose"