package example6_1_ExceptionHandling;

import javax.swing.JOptionPane;

public class ExceptionHandlingExample {
    public static void main(String[] args) {
        String numberString = JOptionPane.showInputDialog("Please enter a number: ");
        double number = 0;
        try {
            number = Double.parseDouble(numberString);
            //helperMethod(); // CAUSES COMPILE ERROR.
        //} catch(Exception e) {
        } catch(NumberFormatException e) {
            System.out.println("Wrong value entered, couldn't parse.");
        }
        System.out.println("You entered: "+number);

        try {
            helperMethod();
        } catch(Exception e) {
            System.out.println("Caught an exception.");
        }
        System.out.println("Hello!");
    }

    public static void helperMethod() throws Exception {
        throw new Exception("Something's wrong.");
    }
}