import java.util.Comparator;

public class Student {
    /** The name of the student */
    private final String name;
    /** The age of the student */
    private final int year;

    /** Constructor taking name and year */
    public Student(String nam, int ag) {
        name=nam;
        year=ag;
    }

    /** Get accessor for name */
    public String getName() {
        return name;
    }

    /** Get Accessor for age */
    public int getYear() {
        return year;
    }
    
    @Override
    public String toString() {
        return year + " " + name;
    }

    /** Compare students by their name */
    public static Comparator<Student> nameComparator() {
        return new Comparator<Student>() {
            @Override
            public int compare(Student o1, Student o2) {
                return o2.getName().compareTo(o1.getName());
            }
        };
    }

    /** Compare students by their age */
    public static Comparator<Student> yearComparator() {
        return new Comparator<Student>() {
            @Override
            public int compare(Student o1, Student o2) {
                return o2.getYear()-o1.getYear();
            }
        };
    }

    /** Generate a set of students to compare */
    public static Student[] getStudents()
    {
        Student[] sss = new Student[12];
        sss[0]=new Student("Lisa", 23);
        sss[1]=new Student("Rosie", 22);
        sss[2]=new Student("Charlotte", 22);
        sss[3]=new Student("Synthia", 20);
        sss[4]=new Student("AnnaSophia", 23);
        sss[5]=new Student("Flora", 21);
        sss[6]=new Student("Libby", 21);
        sss[7]=new Student("Rachel", 22);
        sss[8]=new Student("Catherine", 23);
        sss[9]=new Student("Erin", 22);
        sss[10]=new Student("Xinran", 23);
        sss[11]=new Student("Ashley", 23);
        return sss;
    }

    public static void main(String[] args) {
        System.out.println(new Student("AAA", 1));
    }

}