SumOfNumbers.java - import [email protected] Lemuel M [email protected] Book Title From Control Structures through Objects by Tony Gaddis Page 266

SumOfNumbers.java - import [email protected]

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import javax.swing.JOptionPane; /** * @author Lemuel M. Uhuru * @Date June 20, 2013 * Book Title: From Control Structures through Objects by Tony Gaddis * Page: 266 Challenge 1: Sum of Numbers * @Description Write a program that asks the user for a positive nonzero * integer value. The program should use a loop to get the sum of all the * integers from 1 up to the number entered. For example if the user enters * 50, the loop will find the sum of 1,2,3,4, ..... 50. */ public class SumOfNumbers { public static void main(String[] args) {
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Unformatted text preview: // Declare variable to hold user input int num; // Prompt user for positive nonzero integer value and store in variable. String input1 = JOptionPane.showInputDialog("Enter a positive nonzero integer"); // Convert input1 to data-type int num = Integer.parseInt(input1); // Declare variable to hold sum int sum = 0; // Construct for loop to obtain the sum of integers from 1 up to the users input. while (num >= 1) { sum += num; num--; } JOptionPane.showMessageDialog(null, "Sum: " + sum); } }...
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