Java-Kompendium/kap11/Task2.java


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import javax.swing.JOptionPane;

public class Task2 {
    public static void main(String[] arguments) {
        var rawResult = JOptionPane.showInputDialog(null, "Geben Sie eine Zahl ein:");
        var input = Integer.parseInt(rawResult);
        Double result = Math.sqrt(input);

        JOptionPane.showMessageDialog(null, result.toString(), "Die Wurzel ist:", JOptionPane.INFORMATION_MESSAGE);
    }
}