TimedResponse using System.currentTimeMillis()

MyTimedResponse.java

package main.cis171.kelli.week09;

import javax.swing.*;

public class MyTimedResponse {

    private static String question = "Who is your idol?";

    public static void main(String[] args) {
        long start, end;

        start = System.currentTimeMillis();
        JOptionPane.showInputDialog(question);
        end = System.currentTimeMillis();

        long seconds = (end / 1000) - (start / 1000);

        String difference = "It took " + seconds + " seconds for you to answer.\nWas it a difficult decision?";
        JOptionPane.showMessageDialog(null, difference, "Output", 1);
    }

}