java running sum

In Java, you can use a loop to calculate the running sum of a series of numbers. A running sum is the sum of a sequence of numbers as it is being calculated, with each number being added to the sum as it is encountered.

Here is an example of how you can use a loop to calculate the running sum of a series of numbers in Java:

public class MyClass {
    public static void main(String[] args) {
        int[] numbers = {1, 2, 3, 4, 5};
        int sum = 0;

        for (int number : numbers) {
            sum += number;
            System.out.println("Current sum: " + sum);
        }

        System.out.println("Final sum: " + sum);
    }
}

In this example, the numbers array contains the numbers 1 through 5. The sum variable is initialized to 0 and is used to store the running sum.

The for loop iterates over the elements in the numbers array and adds each element to the sum. As the loop iterates, the value of the sum variable is printed to the console, so you can see the running sum as it is being calculated.

After the loop completes, the final value of the sum variable is printed to the console. In this case, the final sum is 15 because 1 + 2 + 3 + 4 + 5 = 15.

It is important to note that you can use any looping construct (such as a while loop or a do-while loop) to calculate a running sum, as long as you update the sum variable with each iteration of the loop.