Penises

import java.util.Scanner;

public class Student
{
    //student's details
    private String firstName;
    private String lastName;
    private int age;
    private String gender;
    private String school;
    Scanner input= new Scanner(System.in);

    /*public enum Gender
    {
        male,
        female
    }*/

    public Student()
    {
        // initialise instance variables
        /*this.firstName=firstName;
        this.lastName=lastName;
        this.age=age;
        this.gender=gender;
        this.school=school;*/
    }
    public void addDetails()
    {
        System.out.print("Enter student's first name: ");
        this.firstName=input.next();
        System.out.print("Enter student's last name: ");
        this.lastName=input.next();
        System.out.print("Enter student's age: ");
        this.age=input.nextInt();
        System.out.print("Enter student's gender('male' or 'female'): ");
        this.gender=input.next();
        System.out.print("Enter student's school: ");
        this.school=input.next();
    }
    public void printDetails()
    {
        System.out.println("Student's name: "+this.firstName);
        System.out.println("Student's last name: "+this.lastName);
        System.out.println("Student's age: "+this.age);
        System.out.println("Student's gender: "+this.gender);
        System.out.println("Student's school: "+this.school);
    }
}