Java How To Program (Early Objects)
10th Edition
ISBN: 9780133807943
Author: Deitel, Paul
Publisher: Pearson Education
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Chapter 6, Problem 7.1E
Write statements that will display a random number from each of the following sets:
- 1. 2, 4, 6, 8, 10.
- 2. 3, 5, 7, 9, 11.
- 3. 6, 10, 14, 18, 22.
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Which of the following statements are valid?
Select one or more:
{1,2,3,4,5} n {1,4,8, 12} = {1, 2, 3, 4, 5, 8, 12}
O {1,3,5,7,9,11,.... } U {2, 4, 6, 8, 10, .... } = N
(a, b, c, d, e} n {a, e, i, o, u} = {a, e}
Let A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8} and C = {1,2,3,4}.
Then (AUB) = {1,2,3,4}
{ 1, 3, 5, 7, 9, 11, .…….
.
For any sets X, Y and Z, the equality (X n Y) u Z = (XU Y) N Z is valid
(Hint: You might use venn diagrams to help detemine if the equality is valid)
} U {2, 4, 6, 8, 10, . .}
= Ø
Let A = {1,3,5,7,9}, B = {2, 4, 6, 8} C = {1, 2, 3, 4).
Then (An B) UC = {1,2,3,4}
If U = {1, 2, 3, ...., 7, 8, 9} then {1,3,5,7,9}º = {2,4,6,8}
X609: Magic Date
A magic date is one when written in the following format, the month times the date equals the year e.g. 6/10/60. Write code that
figures out if a user entered date is a magic date. The dates must be between 1 - 31, inclusive and the months between 1 - 12,
inclusive. Let the user know whether they entered a magic date. If the input parameters are not valid, return false.
Examples:
magicDate(6, 10, 60) -> true
magicDate(50, 12, 600) –> false
3. int x =9 ;display the address of the variable x? Answer:
Chapter 6 Solutions
Java How To Program (Early Objects)
Ch. 6 - A method is invoked with a(n)Ch. 6 - Prob. 1.2SRECh. 6 - Prob. 1.3SRECh. 6 - The keywordindicates that a method does not return...Ch. 6 - Prob. 1.5SRECh. 6 - Prob. 1.6SRECh. 6 - Prob. 1.7SRECh. 6 - An object of classproduces truly random numbers.Ch. 6 - Prob. 1.9SRECh. 6 - Prob. 1.10SRE
Ch. 6 - Prob. 1.11SRECh. 6 - Prob. 1.12SRECh. 6 - For the class Craps in Fig. 6.8, state the scope...Ch. 6 - the variable die1.Ch. 6 - the method rollDice.Ch. 6 - Prob. 2.4SRECh. 6 - Prob. 2.5SRECh. 6 - Write an application that tests whether the...Ch. 6 - Prob. 4.1SRECh. 6 - Method smallest, which takes three integers x, y...Ch. 6 - Prob. 4.3SRECh. 6 - Method intToFloat, which takes integer argument...Ch. 6 - Find the error in each of the following program...Ch. 6 - 1 int sum(int x, int y) { 2 int result; 3 result =...Ch. 6 - 1 void f(float a); { 2 float a; 3...Ch. 6 - 1 void product() { 2int, a = 6; 3int b = 5; 4int c...Ch. 6 - Declare method sphereVolume to calculate and...Ch. 6 - What is the value of x after each of the following...Ch. 6 - What is the value of x after each of the following...Ch. 6 - What is the value of x after each of the following...Ch. 6 - What is the value of x after each of the following...Ch. 6 - What is the value of x after each of the following...Ch. 6 - What is the value of x after each of the following...Ch. 6 - What is the value of x after each of the following...Ch. 6 - (Parking Charges) A parking garage charges a 2.00...Ch. 6 - (Rounding Numbers) Math.floor can be used to round...Ch. 6 - To round numbers to specific decimal places, use a...Ch. 6 - Prob. 5.1ECh. 6 - Write statements that assign random integers to...Ch. 6 - Write statements that will display a random number...Ch. 6 - (Exponentiation) Write a method integer Power...Ch. 6 - Define a method hypotenuse that calculates the...Ch. 6 - Prob. 10.1ECh. 6 - Prob. 11.1ECh. 6 - (Displaying a Square of Asterisks) Write a method...Ch. 6 - (Displaying a Square of Any Character) Modify the...Ch. 6 - Prob. 14.1ECh. 6 - (Separating Digits) Write methods that accomplish...Ch. 6 - (Separating Digits) Write methods that accomplish...Ch. 6 - Prob. 15.3ECh. 6 - (Temperature Conversions) Implement the following...Ch. 6 - Method fahrenheit returns the Fahrenheit...Ch. 6 - Prob. 16.3ECh. 6 - (Find the Minimum) Write a method minimum3 that...Ch. 6 - Prob. 18.1ECh. 6 - (Prime Numbers) A positive integer is prime if its...Ch. 6 - Prob. 20.1ECh. 6 - (Greatest Common Divisor) The greatest common...Ch. 6 - Write a method qualityPoints that inputs a...Ch. 6 - Write an application that simulates coin tossing....Ch. 6 - (Guess the Number) Write an application that plays...Ch. 6 - Prob. 25.1ECh. 6 - Prob. 26.1ECh. 6 - (Craps Game Modification) Modify the craps program...Ch. 6 - (Table of Binary, Octal and Hexadecimal Numbers)...Ch. 6 - (Computer-Assisted Instruction) The use of...Ch. 6 - Prob. 2MDCh. 6 - Prob. 3MDCh. 6 - (Computer-Assisted Instruction: Difficulty Levels)...
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