Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Chapter 2, Problem 19RE
Modify the pseudocode for the
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Write a program that simulates the rolling of two dice. The program should use rand to roll the first dice and should use rand again to roll the second dice. The sum of the two values should then be calculated. Note: Since each dice can show an integer value from 1 to 6, then the sum of the to values will vary from 2 to 12, with 7 being the most frequent sum and 2 and 12 being the least frequent sums. Below shows the 36 possible combinations of the two dice. Your program should roll the two dice 36,000 times. Use a single-subscripted array to tally the numbers of times each possible sum appears. Print the results in a tabular format. Also, determine if the totals reasonable (i.e. there are six ways to roll a 7, so approximately one sixth of all the rolls should be 7).
The ideal gas law allows the calculation of volume of a gas given the pressure(P), amount of the gas (n), and the temperature (T). The equation is:V = nRT / PSince we only have used integer arithmetic, all numbers will be integer values with no decimal points. The constant R is 8.314 and will be specified as (8314/1000). This gives the same result. Implement the idea gas law program where the user is prompted for and enters values for n, T, and P, and V is calculated and printed out. Be careful to implement an accurate version of this program. Your program should include a proper and useful prompt for input, and print the results in a meaningful manner.
(This is for devc++ but I use mindmap from Cengage. I know it a little different. If you can't use Cengage, I suggest devc++ version 5.11)
One way to determine how healthy a person is, is by measuring the body fat of the person. The formulas to determine the body fat for female and male are as follows:
Body fat formula for women:
A1 = (body weight X 0.732) + 8.987
A2 = wrist measurement (at fullest point) / 3.140
A3 = waist measurement (at navel) X 0.157
A4 = hip measurement (at fullest point) X 0.249
A5 = forearm measurement (at fullest point) X 0.434
B = A1 + A2 - A3 - A4 + A5
Body fat = body weight - B
Body fat percentage = body fat X 100 / body weight
Body fat formula for men:
A1 = (body weight X 1.082) + 94.42
A2 = waist measurement X 4.15
B = A1 - A2
Body fat = body weight - B
Body fat percentage = body fat X 100 / body weight
Instructions
Write a program to calculate the body fat of a person. Prompt the user to input:
Their gender ('m' or 'M' for male, 'f' or 'F' for…
Chapter 2 Solutions
Big Java Late Objects
Ch. 2.1 - Declare a variable suitable for holding the number...Ch. 2.1 - What is wrong with the following variable...Ch. 2.1 - Declare and initialize two variables, unitPrice...Ch. 2.1 - Prob. 4SCCh. 2.1 - Some drinks are sold in four-packs instead of...Ch. 2.1 - Prob. 6SCCh. 2.1 - Prob. 7SCCh. 2.1 - Prob. 8SCCh. 2.1 - How would you explain assignment using the parking...Ch. 2.2 - A bank account earns interest once per year. In...
Ch. 2.2 - In Java, how do you compute the side length of a...Ch. 2.2 - The volume of a sphere is given by V=43r3 If the...Ch. 2.2 - Prob. 13SCCh. 2.2 - Prob. 14SCCh. 2.3 - Write statements to prompt for and read the users...Ch. 2.3 - What is wrong with the following statement...Ch. 2.3 - Prob. 17SCCh. 2.3 - What is problematic about the following statement...Ch. 2.3 - What is the output of the following statement...Ch. 2.3 - Using the printf method, print the values of the...Ch. 2.4 - Prob. 21SCCh. 2.4 - Suppose the architect specifies a pattern with...Ch. 2.4 - A robot needs to tile a floor with alternating...Ch. 2.4 - For a particular car, repair and maintenance costs...Ch. 2.4 - The shape of a bottle is approximated by two...Ch. 2.5 - What is the length of the string "Java Program"?Ch. 2.5 - Consider this string variable. String str = "Java...Ch. 2.5 - Use string concatenation to turn the string...Ch. 2.5 - Prob. 29SCCh. 2.5 - Prob. 30SCCh. 2 - Write declarations for storing the following...Ch. 2 - What is the value of mystery after this sequence...Ch. 2 - What is wrong with the following sequence of...Ch. 2 - Write the following mathematical expressions in...Ch. 2 - Write the following Java expressions in...Ch. 2 - What are the values of the following expressions?...Ch. 2 - What are the values of the following expressions,...Ch. 2 - What are the values of the following expressions?...Ch. 2 - Assuming that a and b are variables of type int,...Ch. 2 - Suppose direction is an integer angle between 0...Ch. 2 - Find at least five compile-time errors in the...Ch. 2 - Find three run-time errors in the following...Ch. 2 - Consider the following code segment. double...Ch. 2 - Explain the differences between 2, 2.0, 2, 2, and...Ch. 2 - Explain what each of the following program...Ch. 2 - Write pseudocode for a program that reads a word...Ch. 2 - Write pseudocode for a program that reads a name...Ch. 2 - Write pseudocode for a program that computes the...Ch. 2 - Modify the pseudocode for the program in How To...Ch. 2 - Prob. 20RECh. 2 - You are cutting off a piece of pie like this,...Ch. 2 - The following pseudocode describes how to obtain...Ch. 2 - Suppose you are given a string str and two...Ch. 2 - Prob. 24RECh. 2 - For each of the following computations in Java,...Ch. 2 - Prob. 26RECh. 2 - This chapter contains a number of recommendations...Ch. 2 - Write a program that displays the dimensions of a...Ch. 2 - Write a program that computes and displays the...Ch. 2 - Write a program that reads a number and displays...Ch. 2 - Write a program that prompts the user for two...Ch. 2 - Enhance the output of Exercise E2.4 so that the...Ch. 2 - Write a program that prompts the user for a...Ch. 2 - Write a program that prompts the user for a radius...Ch. 2 - Write a program that asks the user for the lengths...Ch. 2 - Improve the program discussed in How To 2.1 to...Ch. 2 - Write a program that helps a person decide whether...Ch. 2 - Write a program that asks the user to input The...Ch. 2 - File names and extensions. Write a program that...Ch. 2 - Write a program that reads a number between 1,000...Ch. 2 - Write a program that reads a number between 1,000...Ch. 2 - Printing a grid. Write a program that prints the...Ch. 2 - Write a program that reads in an integer and...Ch. 2 - Write a program that reads two times in military...Ch. 2 - Writing large letters. A large letter H can be...Ch. 2 - Write a program that transforms numbers 1, 2, 3, ,...Ch. 2 - Write a program that prints a Christmas tree:...Ch. 2 - Easter Sunday is the first Sunday after the first...Ch. 2 - In this project, you will perform calculations...Ch. 2 - The following pseudocode describes how a bookstore...Ch. 2 - The following pseudocode describes how to turn a...Ch. 2 - The following pseudocode describes how to extract...Ch. 2 - Giving change. Implement a program that directs a...Ch. 2 - An online bank wants you to create a program that...Ch. 2 - A video club wants to reward its best members with...Ch. 2 - Consider the following circuit. Write a program...Ch. 2 - The dew point temperature Td can be calculated...Ch. 2 - The pipe clip temperature sensors shown here are...Ch. 2 - Prob. 12PPCh. 2 - Consider the following tuning circuit connected to...Ch. 2 - According to the Coulomb force law, the electric...
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