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- package com.company;
- import java.util.Scanner;
- public class Kula extends Bryla {
- private Scanner scanner = new Scanner(System.in);
- private Double promien;
- public Kula() {
- System.out.println("Podaj promien: ");
- Double tempPromien;
- tempPromien = scanner.nextDouble();
- while (tempPromien <= 0) {
- System.out.print("Podaj promien wiekszy od zera: ");
- tempPromien = scanner.nextDouble();
- }
- this.promien = tempPromien;
- }
- @Override
- public Double policzObjetosc() {
- return 4/3 * Math.PI * Math.pow(promien, 3);
- }
- @Override
- public Double policzPolePowierzchni() {
- return 4 * Math.PI * Math.pow(promien, 2);
- }
- }
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