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JAVA Funkcje99

Nov 29th, 2018
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  1. package funkcje99;
  2.  
  3. import java.util.Scanner;
  4.  
  5. public class Funkcje99 {
  6.  
  7. public static void main(String[] args) {
  8. int wybor;
  9. Scanner sc = new Scanner(System.in);
  10. do {
  11. wyswietlMenu();
  12. wybor = sc.nextInt();sc.nextLine();
  13. switch (wybor){
  14. case 1 : obliczeniaDlaKwadratu();
  15. break;
  16. case 4 : System.out.println("Do widzenia");
  17. break;
  18. default: System.out.println("Nie ma takiego numeru");
  19. }
  20. } while (wybor != 4);
  21. }
  22. public static void wyswietlMenu(){
  23. System.out.println("1 - Kwadrat");
  24. System.out.println("2 - Prostokąt");
  25. System.out.println("3 - Koło");
  26. System.out.println("4 - Wyjście");
  27. }
  28. public static void obliczeniaDlaKwadratu(){
  29. Scanner sc = new Scanner(System.in);
  30. System.out.println("Podaj bok kwadratu");
  31. double bok = sc.nextDouble();sc.nextLine();
  32. System.out.println("Pole = "+poleKwadratu(bok));
  33. System.out.println("Obwód = "+obwodKwadratu(bok));
  34. }
  35. public static double poleKwadratu(double bok){
  36. double pole = bok*bok;
  37. return pole;
  38. }
  39. public static double obwodKwadratu(double bok){
  40. return 4*bok;
  41. }
  42. }
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