Computing the total of all positive numbers:

//Initialize the variable total to 0

double total = 0;

//Check the value is double

while (in.hasNextDouble())

{

    //Get the input from the user

    double input = in.nextDouble();

    //Check whether the input is greater than 0

    if (input > 0)

    //Add the total value and the user input

    total = total + input;

}

Explanation:

The above algorithm is used to compute the total of all positive numbers...

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Chapter 4.7, Problem 31SC

Chapter 4.7, Problem 33SC

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Solution Summary: The author explains the algorithm used to compute the total of all positive numbers. The variable "total" is assigned to "0" and checks whether the scanner input is a double value.

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