15 lines
464 B
Java
15 lines
464 B
Java
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import java.util.Scanner;
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public class LiczeniePierwiastka {
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public static void main(String[] args) {
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Scanner scanner = new Scanner(System.in);
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double x = scanner.nextDouble();
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System.out.println("Podaj nieujemny x.");
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if (x<0) {
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System.out.println("Błąd, podaj liczbę nieujemną.");
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} else {
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double pierwiastek = Math.sqrt(x);
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System.out.println("Pierwiastek z x wynisi " + pierwiastek);
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}
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}
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}
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