Kalkulacka 1.2

package easykalkulacka;

public class Vyhodnocovanie {

    public int vypocet;

    int scitaj(int c1, int c2) {
        return c1 + c2;
    }

    int odcitaj(int c1, int c2) {
        return c1 - c2;
    }

    int vydel(int c1, int c2) {
        if (c2 == 0) vypocet = 0;
        return c1 / c2;
    }

    int vynasob(int c1, int c2) {
        return c1 * c2;
    }
}


package easykalkulacka;

import java.util.Scanner;

public class EasyKalkulacka {

    public static void main(String[] args) {
        Vyhodnocovanie pocitaj = new Vyhodnocovanie();
        Scanner in = new Scanner(System.in);

        System.out.println("Vitajte v OOP kalkulacke");
        System.out.println("Vyberte operaciu, na vyber je: \n1. '+'\n2. '-'\n3. '/'\n4. '*'");

        int volba = Integer.parseInt(in.nextLine());
        if (volba > 4 || volba < 1)
            System.exit(0);

        System.out.println("Zadajte prve cislo");
        int c1 = Integer.parseInt(in.nextLine());
        System.out.println("Zadajte druhe cislo");
        int c2 = Integer.parseInt(in.nextLine());


        switch (volba) {
            case 1:
                System.out.println(c1 + " + " + c2 + " = " + pocitaj.scitaj(c1, c2));
                break;
            case 2:
                System.out.println(c1 + " - " + c2 + " = " + pocitaj.odcitaj(c1, c2));
                break;
            case 3:
                if (pocitaj.vypocet == 0)
                    System.out.println("Nulou sa delit neda");
                else
                    System.out.println(c1 + " / " + c2 + " = " + pocitaj.vydel(c1, c2));
                break;
            case 4:
                System.out.println(c1 + " * " + c2 + " " + pocitaj.vynasob(c1, c2));
                break;
            default:
                System.out.println("Neplatna volba");
        }
    }
}