Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Chapter 3, Problem 3.20PE
(Science: wind-chill temperature)
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C#
(Guess the Number Game) Write a program that plays “guess the number” as follows: Your program chooses the number to be guessed by selecting an int at random in the range 1–1000. The program then displays the following text in a label:
A TextBox should be used to input the guess. As each guess is input, the background color should change to red or blue. Red indicates that the user is getting “warmer,” blue that the user is getting “colder.” A Label should display either “Too High” or “Too Low,” to help the user zero in on the correct answer. When the user guesses the correct answer, display “Correct!” in a message box, change the Form’s background color to green and disable the TextBox. Recall that a TextBox (like other controls) can be disabled by setting the control’s Enabled property to false. Provide a Button that allows the user to play the game again. When the Button is clicked, generate a new random number, change the background to the default color and enable the TextBox.
Q3a)
Summary
Newton’s law states that the force, F, between two bodies of masses M1 and M2 is given by:
in which k is the gravitational constant and d is the distance between the bodies. The value of k is approximately 6.67 X 10-8 dyn. cm²/g² .
Instructions
Write a program that prompts the user to input:
The masses of the bodies
The distance between the bodies.
The program then outputs:
The force between the bodies.
Your program should be able to work with decimals.
Q3b)
Cindy uses the services of a brokerage firm to buy and sell stocks. The firm charges 1.5% service charges on the total amount for each transaction, buy or sell. When Cindy sells stocks, she would like to know if she gained or lost on a particular investment.
Instructions
Write a program that allows Cindy to input:
The purchase price of each share
The selling price of each share
The number of shares sold
The program outputs:
The total amount invested
The total amount received from selling
The total service…
PROBLEM:Write a program that prompts the user to input the amount of money that an ATM machine will dispense and then show the breakdown of how many 1000, 500, and 100 peso bill/s are dispensed. The program must display the amount then prompt the user if the transaction will continue or not by choosing between Y (for Yes) and N (for No). If an invalid character is entered, it must display that the user entered an invalid character. The program must also display that the maximum allowable amount is 10,000 and the minimum allowable amount is 100. If the entered amount is greater than 10,000 or less than 100, an error notification must be displayed. Moreover, the entered amount must be exactly divisible by 100.
TEST CASES:
If a user inputs an amount less than or equal to 10,000:
REMINDER: Maximum amount must only be 10,000 and the minimum amount must not be less than 100
Enter Amount to dispense: 4900The Amount of money you entered is 4900.Do you want to continue your transaction?Enter…
Chapter 3 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Ch. 3.2 - List six relational operators.Ch. 3.2 - Assuming x is 1, show the result of the following...Ch. 3.2 - Can the following conversions involving casting be...Ch. 3.3 - Write an if statement that assigns 1 to x if y is...Ch. 3.3 - Write an if statement that increases pay by 3% if...Ch. 3.3 - Prob. 3.3.3CPCh. 3.4 - Write an if statement that increases pay by 3% if...Ch. 3.4 - What is the output of the code in (a) and (b) if...Ch. 3.5 - Prob. 3.5.1CPCh. 3.5 - Suppose x = 2andy = 3. Show the output, if any, of...
Ch. 3.5 - What is wrong in the following code? if (score =...Ch. 3.6 - Which of the following statements are equivalent?...Ch. 3.6 - Prob. 3.6.2CPCh. 3.6 - Are the following statements correct? Which one is...Ch. 3.6 - Prob. 3.6.4CPCh. 3.7 - Prob. 3.7.1CPCh. 3.7 - a. How do you generate a random integer i such...Ch. 3.9 - Are the following two statements equivalent?Ch. 3.10 - Assuming that x is 1, show the result of the...Ch. 3.10 - (a) Write a Boolean expression that evaluates to...Ch. 3.10 - (a) Write a Boolean expression for |x 5| 4.5....Ch. 3.10 - Assume x and y are int type. Which of the...Ch. 3.10 - Are the following two expressions the same? (a) x...Ch. 3.10 - What is the value of the expression x = 50 x =...Ch. 3.10 - Suppose, when you run the following program, you...Ch. 3.10 - Write a Boolean expression that evaluates to true...Ch. 3.10 - Write a Boolean expression that evaluates to true...Ch. 3.10 - Write a Boolean expression that evaluates to true...Ch. 3.10 - Write a Boolean expression that evaluates to true...Ch. 3.11 - Prob. 3.11.1CPCh. 3.12 - What happens if you enter an integer as 05?Ch. 3.13 - What data types are required for a switch...Ch. 3.13 - What is y after the following switch statement is...Ch. 3.13 - What is x after the following if-else statement is...Ch. 3.13 - Write a switch statement that displays Sunday,...Ch. 3.13 - Prob. 3.13.5CPCh. 3.14 - Suppose when you run the following program, you...Ch. 3.14 - Rewrite the following if statements using the...Ch. 3.14 - Rewrite the following codes using if-else...Ch. 3.14 - Write an expression using a conditional operator...Ch. 3.15 - List the precedence order of the Boolean...Ch. 3.15 - True or false? All the binary operators except =...Ch. 3.15 - Evaluate the following expressions: 2 2 3 2 4 ...Ch. 3.15 - Is (x 0 x 10) the same as ((x 0) (x 10))? Is...Ch. 3 - (Algebra: solve quadratic equations) The two roots...Ch. 3 - (Game: add three numbers) The program in Listing...Ch. 3 - (Algebra: solve 2 2 linear equations) A linear...Ch. 3 - (Random month) Write a program that randomly...Ch. 3 - (Find future dates) Write a program that prompts...Ch. 3 - (Health application: BMI) Revise Listing 3.4,...Ch. 3 - (Financial application: monetary units) Modify...Ch. 3 - Prob. 3.8PECh. 3 - (Business: check ISBN-10) An ISBN-10...Ch. 3 - (Game: addition quiz) Listing 3.3,...Ch. 3 - (Find the number of days in a month) Write a...Ch. 3 - (Palindrome integer) Write a program that prompts...Ch. 3 - (Financial application: compute taxes) Listing...Ch. 3 - (Game: heads or tails) Write a program that lets...Ch. 3 - (Game: lottery) Revise Listing 3.8, Lottery.java....Ch. 3 - Prob. 3.16PECh. 3 - (Game: scissor, rock, paper) Write a program that...Ch. 3 - (Cost of shipping) A shipping company uses the...Ch. 3 - (Compute the perimeter of a triangle) Write a...Ch. 3 - (Science: wind-chill temperature) Programming...Ch. 3 - Prob. 3.21PECh. 3 - (Geometry: point in a circle?) Write a program...Ch. 3 - (Geometry: point in a rectangle?) Write a program...Ch. 3 - (Game: pick a card) Write a program that simulates...Ch. 3 - (Geometry: intersecting point) Two points on line...Ch. 3 - (Use the , ||, and ^ operators) Write a program...Ch. 3 - (Geometry: points in triangle?) Suppose a right...Ch. 3 - (Geometry: two rectangles) Write a program that...Ch. 3 - (Geometry: two circles) Write a program that...Ch. 3 - (Current time) Revise Programming Exercise 2.8 to...Ch. 3 - (Financials: currency exchange) Write a program...Ch. 3 - Prob. 3.32PECh. 3 - (Financial: compare costs) Suppose you shop for...Ch. 3 - Prob. 3.34PE
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