Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
5th Edition
ISBN: 9780135472118
Author: Stuart Reges, Marty Stepp
Publisher: PEARSON
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Chapter 6, Problem 15E

Explanation of Solution

Program code:

coin.java

//import the required packages

import java.io.File;

import java.util.Arrays;

import java.util.Scanner;

//define a class coin

public class coin

{

    //define the main

    public static void main(String[] args) throws Exception

    {

//create the object of File class

File fileName = new File("file.txt");

//create the object of Scanner class to refer the file

Scanner in = new Scanner(fileName);

//call the method coinFlip()

coinFlip(in);

    }

    //define a method coinFlip()

    public static void coinFlip(Scanner in)

    {

        //iterate a while loop

        while (in.hasNextLine())

        {

            //create the object of Scanner class

            Scanner line = new Scanner(in.nextLine());

            //declare required integer variables

            int n = 0;

            int nh = 0;

            //iterate a while loop to get tokens

            while (line.hasNext())

            {

                //make the tokens uppercase

String flip = line.next().toUpperCase();

                //check the token is eqaul to H

                if (flip.equals("H"))

                {

                    //increment the value of nh by 1

                    nh++;

                }

                //increment the value of n by 1

                n++;

            }

            //calculate ratio

            double ratio = 100...

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Chapter 6 Solutions

Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)

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