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); } }