package zadanie51; //Zadanie5.1
import java.io.*;
class pole_prostokata
{
double a, b, pole;
public void czytaj_dane() // deklaracja i opis metody czytaj_dane
throws IOException
{
BufferedReader br = new BufferedReader(new
InputStreamReader(System.in));
System.out.println("Program oblicza pole prostokata.");
System.out.println("Podaj bok a.");
a = Double.parseDouble(br.readLine());
System.out.println("Podaj bok b.");
b = Double.parseDouble(br.readLine());
}
public void przetworz_dane() //deklaracja i opis metody przetwoz_dane
{
pole = a*b;
}
public void wyswietl_wynik() // deklaracja i opis metody wyswietl_wynik
{
System.out.print("Pole prostokata o boku a = ");
System.out.printf("%2.2f", a);
System.out.print("i boku b = ");
System.out.printf("%2.2f", b);
System.out.print(" wynosi ");
System.out.printf("%2.2f.\n", pole);
}
}
public class Main {
public static void main(String[] args)
throws IOException
{
pole_prostokata pole = new pole_prostokata();
//deklaracja zmiennej, utworzenie obiektu i przypisanie go do zmiennej
pole.czytaj_dane(); //wywoanie metody czytaj_dane()
pole.przetworz_dane(); //wywoanie metody przetworz_dane()
pole.wyswietl_wynik(); //wywoanie metody wyswietl_wynik()
}
}
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