StackOverflow2013

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18038645
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2013-08-04T00:30:32.477
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2013-08-04T00:30:32.477
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<p>Your input1 and input2 being added in directly kind of defect the purpose of quitting on the first entered negative number, but the code I displayed below works. It will only prompt the user for any additional numbers if the number entered is non-negative, and it will only sum the entered number if the number is non-negative.</p> <pre><code>package stackoverflow.answers; import java.util.Scanner; public class Total { public static void main(String[] args) { int total = 0, input = 0; /* Print out your "request" for an integer * so the user knows to enter something. */ System.out.print("Enter an integer: "); /* Create a Scanner on the System.in stream */ Scanner entry = new Scanner(System.in); /* Loop while the entered number is > 0 */ while ((input = entry.nextInt()) > 0) { /* If the input > 0, add it to total */ total += input; /* Print out the request again. */ System.out.print("Total: " + total + "\nEnter an integer: "); } /* Just for kicks, print out the total * (only useful if the first entered number * is negative and the total would be 0). */ System.out.println("Total: " + total); } } </code></pre> <p>If you want to sum the negative number, and THEN quit, I suggest changing the while loop to a do-while loop, like this:</p> <pre><code> /* Get an integer and add it to the sum, and * then loop while the entered number is > 0 */ do { /* Get the integer */ input = entry.nextInt(); /* If the input > 0, add it to total */ total += input; /* Print out the request again. */ System.out.print("Total: " + total + "\nEnter an integer: "); } while (input > 0); </code></pre>
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1. POUsing while loop in java
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