Jaba 10

package lab2;

import java.util.Scanner;
import java.util.Date;
import java.util.LinkedList;
import java.text.SimpleDateFormat;
import java.text.DateFormat;
import java.time.LocalDate;
import java.text.ParseException;

interface MainInterface {
    public void input();
    public void output();
    public void method();
}

class Dyscyplina implements MainInterface {
    private String name;
    private int lectHours;
    private int labHours;
    private int selfHours;

    public void input() {
        Scanner in = new Scanner(System.in);
        System.out.println("Input name: ");
        name = in.nextLine();
        System.out.println("Input lect hours: ");
        lectHours = in.nextInt();
        System.out.println("Input lab hours: ");
        labHours = in.nextInt();
        System.out.println("Input self hours: ");
        selfHours = in.nextInt();
    }

    public void output() {
        System.out.printf("Name: %s\nLect hours: %s\nLab hours: %s\n Self hours: %s\n", name, lectHours, labHours,selfHours);
    }

    public void method() {
        System.out.printf("Total hours: %s\n", Integer.toString(lectHours + labHours + selfHours));
    }

    @Override
    public String toString() {
        return String.format("Name: %s\nLect hours: %s\nLab hours: %s\n Self hours: %s\n", name, lectHours, labHours,selfHours);
    }

    @Override
    public int hashCode() {
        return lectHours * lectHours;

    }

}

class Salary implements MainInterface {
    private String fio;
    private int hours;
    private int payment;

    public void input() {
        Scanner in = new Scanner(System.in);
        System.out.println("Input fio: ");
        fio = in.nextLine();
        System.out.println("Input hours of work: ");
        hours = in.nextInt();
        System.out.println("Input payment for hour: ");
        payment = in.nextInt();
    }

    public void output() {
        System.out.printf("Name: %s\nHours of work: %s\nPayment: %s\n", fio, hours, payment);
    }

    public void method() {
        System.out.printf("Total payout: %s\n", Integer.toString(hours * payment));
    }

    @Override
    public String toString() {
        return String.format("Name: %s\nHours of work: %s\nPayment: %s\n", fio, hours, payment);
    }

    @Override
    public int hashCode() {
        return payment * payment;

    }

}

class Providers implements MainInterface {
    private String name;
    private int speed;
    private int price;

    public void input() {
        Scanner in = new Scanner(System.in);
        System.out.println("Input name: ");
        name = in.nextLine();
        System.out.println("Input speed: ");
        speed = in.nextInt();
        System.out.println("Input price: ");
        price = in.nextInt();
    }

    public void output() {
        System.out.printf("Name: %s\nSpeed: %s\nPrice: %s\n", name, speed, price);
    }

    public void method() {
        System.out.printf("Price/Speed: %s\n", price / speed);
    }

    @Override
    public String toString() {
        return String.format("Name: %s\nSpeed: %s\nPrice: %s\n", name, speed, price);
    }

    @Override
    public int hashCode() {
        return speed * speed;

    }

}


public class lab11 {
  public static void main(String[] args) throws Exception {

    Dyscyplina dysc = new Dyscyplina();
    Salary salary = new Salary();
    Providers providers = new Providers();
    dysc.input();
    salary.input();
    providers.input();

    Long long_obj = 1234L;
    Short short_obj = 123;
    Boolean boolean_obj = true;

    LinkedList<Object> linkList = new LinkedList<Object>();
    linkList.add(long_obj);
    linkList.add(short_obj);
    linkList.add(boolean_obj);
    linkList.add(dysc);
    linkList.add(salary);
    linkList.add(providers);

    for (Object e : linkList) {
      System.out.println( "\n" + e.toString() );
      System.out.println( "Hash code: " + e.hashCode() );
    }
  }
}