Program plan: AlternatingSumElement.java Create a class named “AlternatingSumElements”. Create a function named “alternatingSum()” for computing the alternating sum of all elements in an array. Declare a variable “subTotal” and assign the value as “0”. Using the “for” loop, check and compute the alternative sum of all elements. The conditional statement “if” (i % 2 == 0) checks whether “i % 2” is equal to “0” or not If the condition is true, then add the alternative sum of elements and store in the variable “sumTotal”. Else if the condition is false, then subtract the alternative sum of elements and store in the variable “sumTotal”. Returns the subtotal of alternating sum of all elements. Create a main function. Declare and initialize double array values. Call the function “alternatingSum()”and pass the argument “num” to the function for computing the alternating sum of all elements in an array. Print the total of alternating sum elements in an array.

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Chapter 6, Problem 6PE

Program Plan Intro

Program plan:

AlternatingSumElement.java

Create a class named “AlternatingSumElements”.

Create a function named “alternatingSum()” for computing the alternating sum of all elements in an array.

Declare a variable “subTotal” and assign the value as “0”.

Using the “for” loop, check and compute the alternative sum of all elements.

The conditional statement “if” (i % 2 == 0) checks whether “i % 2” is equal to “0” or not

If the condition is true, then add the alternative sum of elements and store in the variable “sumTotal”.

Else if the condition is false, then subtract the alternative sum of elements and store in the variable “sumTotal”.

Returns the subtotal of alternating sum of all elements.

Create a main function.

Declare and initialize double array values.

Call the function “alternatingSum()”and pass the argument “num” to the function for computing the alternating sum of all elements in an array.

Print the total of alternating sum elements in an array.

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