Chapter 9.1, Problem 5STQ

Explanation of Solution

Changing statements inside “if” block:

The output of the program will not get affected if the statements inside the “if” block is replaced by the given statements, because, the modified part is same like the original program.

Changed program of Listing 9.2:

The modified statement is highlighted below.

//Import required package

import java.util.Scanner;

//Define a class

public class Main

{

    //Define the main method

    public static void main(String[] args)

    {

        Scanner keyboard = new Scanner(System.in);

        //Try block

        try

        {

            //Get the number of donuts

System.out.println("Enter number of donuts:");

            int donutCount = keyboard.nextInt();

            //Get the number of glasses of milk

System.out.println("Enter number of glasses of milk:");

            int milkCount = keyboard.nextInt();

            //Check if milkCount is less than 1

            if(milkCount < 1)

            {

                //Create an exception

Exception e = new Exception("Exception: No milk!");

                //Throw the exception

                throw e;

            }

            //Calculate donuts per glass

double donutsPerGlass = donutCount / (double)milkCount;

            //Print the donuts count

System...