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- package funkcje99;
- import java.util.Scanner;
- public class Funkcje99 {
- public static void main(String[] args) {
- int wybor;
- Scanner sc = new Scanner(System.in);
- do {
- wyswietlMenu();
- wybor = sc.nextInt();sc.nextLine();
- switch (wybor){
- case 1 : obliczeniaDlaKwadratu();
- break;
- case 4 : System.out.println("Do widzenia");
- break;
- default: System.out.println("Nie ma takiego numeru");
- }
- } while (wybor != 4);
- }
- public static void wyswietlMenu(){
- System.out.println("1 - Kwadrat");
- System.out.println("2 - Prostokąt");
- System.out.println("3 - Koło");
- System.out.println("4 - Wyjście");
- }
- public static void obliczeniaDlaKwadratu(){
- Scanner sc = new Scanner(System.in);
- System.out.println("Podaj bok kwadratu");
- double bok = sc.nextDouble();sc.nextLine();
- System.out.println("Pole = "+poleKwadratu(bok));
- System.out.println("Obwód = "+obwodKwadratu(bok));
- }
- public static double poleKwadratu(double bok){
- double pole = bok*bok;
- return pole;
- }
- public static double obwodKwadratu(double bok){
- return 4*bok;
- }
- }
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