//Java/JavaTutorials/PopUp.java //Matthew Ellison // Created: 02-12-19 //Modified: 02-12-19 //This is a simple tutorial on pop up boxes import javax.swing.JOptionPane; public class PopUp{ public static void main(String[] argv){ //Prompt the user to enter a string String words = JOptionPane.showInputDialog("Enter a string to be printed"); JOptionPane.showMessageDialog(null, words); //Prompt the user to enter 2 numbers and print their sum words = JOptionPane.showInputDialog("Enter a number to be summed"); int num1 = Integer.parseInt(words); words = JOptionPane.showInputDialog("Enter another number to be summed"); int num2 = Integer.parseInt(words); JOptionPane.showMessageDialog(null, num1 + " + " + num2 + " = " + (num1 + num2)); } } /* Results: */