Student and Instructor Classes Extending Person Class

import java.util.Scanner;
class Person{
    String name;
    int year;
    void getCommonDetails(){
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter the name: ");
        name = sc.next();
        System.out.print("Enter the year of birth: ");
        year = sc.nextInt();
    }
}
class Student extends Person{
    String major;
    Student(){
        System.out.println("A Student Object has been created.");
    }
    void getDetails(){
        getCommonDetails();
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter the subject the student is majoring in: ");
        major = sc.next();
    }
    void printDetails(){
        System.out.println(name+", born in "+year+" is majoring in "+major);
    }
}
class Instructor extends Person{
    int salary;
    Instructor(){
        System.out.println("An Instructor Object has been created.");
    }
    void getDetails(){
        getCommonDetails();
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter the salary of the instructor: ");
        salary = sc.nextInt();
    }
    void printDetails(){
        System.out.println(name+", born in "+year+" is earns Rs."+salary);
    }
}
class People{
    public static void main(String[] args){
        Student s = new Student();
        s.getDetails();
        Instructor i = new Instructor();
        i.getDetails();
        System.out.println("\n\n");
        s.printDetails();
        i.printDetails();
    }
}