package class6_1_Exceptions;

import javax.swing.JOptionPane;
import java.util.jar.JarEntry;

public class ProblemCode {
    public static void main(String[] args) {
        doStuff();
    }

    private static void doStuff() {
        String numerString = "something other than q";
        String denomString = "will be overwritten";
        if(numerString != null && denomString != null) {
            while (!numerString.toLowerCase().equals("q")) {
                int numer;
                int denom;
                try {
                    numer = Integer.parseInt(numerString);
                    denom = Integer.parseInt(denomString);

                    if (denom != 0) {
                        double fraction = numer / denom;
                        JOptionPane.showMessageDialog(null, "Fraction: " + fraction);
                    }
                } catch (NumberFormatException e) {
                    String message = "Oh no, that's not an integer!" +
                            " entered:" + numerString + "/" + denomString;
                    System.out.println(message);
                    JOptionPane.showMessageDialog(null, message);
                }
                numerString= JOptionPane.showInputDialog(
                        null,"Please enter the numerator (or q to quit):");
                denomString = JOptionPane.showInputDialog(null,"Please enter the denominator:");

            } // while not q entered
        } // if not null
    } // doSomething method
} // class