Java program ZOOM + COMP B11 Create class CountNumbers CountNumbers should: Coun

Question

Java program ZOOM + COMP B11 Create class CountNumbers CountNumbers should: CountNumbers In Class Program Assignment .Prompt the user to enter a sequence of numbers, ending with 'Q to quit. (Use the Scanner method hasNextDouble0 to control your loop.) . Read the numbers, keeping a separate sum of negative and positive numbers Report on separate lines, in the format shown in the example below, the two sums. Show the sums with 4 digits precision after the decimal point. Be sure your indentation and documentation are correct Example (input in green) Next Previous

Explanation / Answer

CountNumbers.java

import java.text.DecimalFormat;

import java.util.Scanner;

public class CountNumbers {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

System.out.println("Enter numbers (Q to quit): ");

double posTotal = 0, negTotal = 0;

while(scan.hasNextDouble()) {

double n = scan.nextDouble();

if(n > 0) {

posTotal+=n;

} else {

negTotal += n;

}

}

DecimalFormat df = new DecimalFormat("0.0000");

System.out.println("Total of positive numbers is "+df.format(posTotal));

System.out.println("Total of negative numbers is "+df.format(negTotal));

}

}

Output:

Enter numbers (Q to quit):
4.2 3.3 -5.6 -110 -1.1 6.5 q
Total of positive numbers is 14.0000
Total of negative numbers is -116.7000

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