Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
7th Edition
ISBN: 9780134802213
Author: Tony Gaddis
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 4.1, Problem 4.1CP
What will the following
- a) x = 2;
y = x++;
System.out.println(y);
- b) x = 21
System.out.printiln(x++);
- c) x = 2;
System.out.println(−−x);
- d) x = 8;
y = x−−;
System.out.println(y);
Expert Solution & Answer
Trending nowThis is a popular solution!
Learn your wayIncludes step-by-step video
schedule05:33
Students have asked these similar questions
Hospital Charges
In Python - Write a program that computes and displays the charges for a patient’s hospital stay. First,the program should ask if the patient was admitted as an in-patient or an out-patient. If thepatient was an in-patient the following data should be entered:• The number of days spent in the hospital• The daily rate• Charges for hospital services (lab tests, etc.)• Hospital medication charges.If the patient was an out-patient the following data should be entered:• Charges for hospital services (lab tests, etc.)• Hospital medication charges.Use a single, separate function to validate that no input is less than zero. If it is, it shouldbe re-entered before being returned.Once the required data has been input and validated, the program should use twoseparate functions to calculate the total charges. One of the functions should acceptarguments for the in-patient data, while the other function accepts arguments for out-patient data. Both functions should return the total…
Computer Fundamentals and Programming 2
Write a program that determines a student’s grade. The program will accept 3 scores and computes the average score. Determine the grade based on the following rules:
- If the average score is equal or greater than 90, the grade is A.
- If the average score is greater than or equal to 70 and less than 90, the grade is B.
- If the average score is greater than or equal to 50 and less than 70, the grade is C.
- If the average score is less than 50, the grade is F.
Source Codes and Print Screen of the Output
1. A prime number is a number that is only evenly divisible by itself and 1. For example, the number 5 is prime because it can only be evenly divided by 1 and 5. The number 6, however, is not prime because it can be divided evenly by 1, 2, 3, and 6.Write a Boolean function named is_prime which takes an integer as an argument and returns true if the argument is a prime number, or false otherwise. Use the function in a program that prompts the user to enter a number then displays a message indicating whether the number is prime.Tip:Recall that the % operator divides one number by another and returns the remainder of the division. In an expression such as num1 % num2, the % operator will return 0 if num1 is evenly divisible by num2.
Chapter 4 Solutions
Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
Ch. 4.1 - What will the following program segments display?...Ch. 4.2 - How many times will Hello World be printed in the...Ch. 4.2 - How many times will I love Java programming! be...Ch. 4.3 - Write an input validation loop that asks the user...Ch. 4.3 - Write an input validation loop that asks the user...Ch. 4.3 - Write an input validation loop that asks the user...Ch. 4.5 - Name the three expressions that appear inside the...Ch. 4.5 - You want to write a for loop that displays I love...Ch. 4.5 - What will the following program segments display?...Ch. 4.5 - Write a for loop that displays your name 10 times.
Ch. 4.5 - Write a for loop that displays all of the odd...Ch. 4.5 - Write a for loop that displays every fifth number,...Ch. 4.6 - Write a for loop that repeats seven times, asking...Ch. 4.6 - In the following program segment, which variable...Ch. 4.6 - Prob. 4.15CPCh. 4.10 - What is the difference between an input file and...Ch. 4.10 - What import statement will you need in a program...Ch. 4.10 - What class do you use to write data to a file?Ch. 4.10 - Write code that does the following: opens a file...Ch. 4.10 - What classes do you use to read data from a file?Ch. 4.10 - Write code that does the following: opens a file...Ch. 4.10 - You are opening an existing file for output. How...Ch. 4.10 - What clause must you write in the header of a...Ch. 4.11 - Assume x is an int variable, and rand references a...Ch. 4.11 - Assume x is an int variable, and rand references a...Ch. 4.11 - Assume x is an int variable, and rand references a...Ch. 4.11 - Assume x is a double variable, and rand references...Ch. 4 - What will the println statement in the following...Ch. 4 - Prob. 2MCCh. 4 - Prob. 3MCCh. 4 - What is each repetition of a loop known as? a....Ch. 4 - This is a variable that controls the number of...Ch. 4 - The while loop is this type of loop. a. pretest b....Ch. 4 - The do-while loop is this type of loop. a. pretest...Ch. 4 - The for loop is this type of loop. a. pretest b....Ch. 4 - This type of loop has no way of ending and repeats...Ch. 4 - This type of loop always executes at least once....Ch. 4 - This expression is executed by the for loop only...Ch. 4 - Prob. 12MCCh. 4 - This is a special value that signals when there...Ch. 4 - To open a file for writing, you use the following...Ch. 4 - To open a file for reading, you use the following...Ch. 4 - Prob. 16MCCh. 4 - This class allows you to use the print and println...Ch. 4 - This class allows you to read a line from a file....Ch. 4 - True or False: The while loop is a pretest loop.Ch. 4 - True or False: The do-while loop is a pretest...Ch. 4 - True or False: The for loop is a posttest loop.Ch. 4 - True or False: It is not necessary to initialize...Ch. 4 - True or False: One limitation of the for loop is...Ch. 4 - True or False: A variable may be defined in the...Ch. 4 - True or False: In a nested loop, the inner loop...Ch. 4 - True or False: To calculate the total number of...Ch. 4 - // This code contains ERRORS! // It adds two...Ch. 4 - Prob. 2FTECh. 4 - // This code contains ERRORS! int choice, num1,...Ch. 4 - Prob. 4FTECh. 4 - Write a while loop that lets the user enter a...Ch. 4 - Write a do-whi1e loop that asks the user to enter...Ch. 4 - Write a for loop that displays the following set...Ch. 4 - Write a loop that asks the user to enter a number....Ch. 4 - Write a for loop that calculates the total of the...Ch. 4 - Write a nested loop that displays 10 rows of #...Ch. 4 - Convert the while loop in the following code to a...Ch. 4 - Convert the do-while loop in the following code to...Ch. 4 - Convert the following while loop to a for loop:...Ch. 4 - Convert the following for loop to a while loop:...Ch. 4 - Write an input validation loop that asks the user...Ch. 4 - Write an input validation loop that asks the user...Ch. 4 - Write nested loops to draw this pattern:Ch. 4 - Write nested loops to draw this pattern: ## # # #...Ch. 4 - Complete the following program so it displays a...Ch. 4 - Complete the following program so it performs the...Ch. 4 - Prob. 17AWCh. 4 - Prob. 18AWCh. 4 - Modify the code you wrote in Question 18 so it...Ch. 4 - Write code that opens a file named NumberList.txt...Ch. 4 - Prob. 1SACh. 4 - Why should you indent the statements in the body...Ch. 4 - Describe the difference between pretest loops and...Ch. 4 - Why are the statements in the body of a loop...Ch. 4 - Describe the difference between the while loop and...Ch. 4 - Which loop should you use in situations where you...Ch. 4 - Which loop should you use in situations where you...Ch. 4 - Which loop should you use when you know the number...Ch. 4 - Why is it critical that accumulator variables are...Ch. 4 - What is an infinite loop? Write the code for an...Ch. 4 - Describe a programming problem that would require...Ch. 4 - What does it mean to let the user control a loop?Ch. 4 - What is the advantage of using a sentinel?Ch. 4 - Prob. 14SACh. 4 - Describe a programming problem requiring the use...Ch. 4 - How does a file buffer increase a programs...Ch. 4 - Why should a program close a file when its...Ch. 4 - What is a files read position? Where is the read...Ch. 4 - When writing data to a file, what is the...Ch. 4 - What does the Scanner classs hasNext method return...Ch. 4 - What is a potential error that can occur when a...Ch. 4 - Prob. 22SACh. 4 - How do you open a file so that new data will be...Ch. 4 - Sum of Numbers Write a program that asks the user...Ch. 4 - Distance Traveled The distance a vehicle travels...Ch. 4 - Distance File Modify the program you wrote for...Ch. 4 - Pennies for Pay Write a program that calculates...Ch. 4 - Prob. 5PCCh. 4 - File Letter Counter Write a program that asks the...Ch. 4 - Hotel Occupancy A hotels occupancy rate is...Ch. 4 - Average Rainfall Write a program that uses nested...Ch. 4 - Population Write a program that will predict the...Ch. 4 - Largest and Smallest Write a program with a loop...Ch. 4 - Celsius to Fahrenheit Table Write a program that...Ch. 4 - Bar Chart Write a program that asks the user to...Ch. 4 - File Head Display Write a program that asks the...Ch. 4 - Line Numbers Write a program that asks the user...Ch. 4 - Uppercase File Converter Write a program that asks...Ch. 4 - Budget Analysis Write a program that asks the user...Ch. 4 - Random Number Guessing Game Write a program that...Ch. 4 - Random Number Guessing Game Enhancement Enhance...Ch. 4 - ESP Game Write a program that tests your ESP...Ch. 4 - Square Display Write a program that asks the user...Ch. 4 - Dice Game Write a program that plays a simple dice...Ch. 4 - Prob. 22PCCh. 4 - Personal Web Page Generator Write a program that...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
A file that contains a Flash animation uses the __________ file extension. a. .class b. .swf c. .mp3 d. .flash
Web Development and Design Foundations with HTML5 (8th Edition)
List four types of systems that may require software safety cases, explaining why safety cases are required.
Software Engineering (10th Edition)
Write a program that reads a persons name in the following format: first name, then middle name or initial, and...
Problem Solving with C++ (10th Edition)
In Exercises 11 through 16, determine the errors. PrivateSubbtnOutputClick(...)HandlesbtnOutput.ClicktxtFirst.F...
Introduction To Programming Using Visual Basic (11th Edition)
Consider the following program written in C syntax: void fun (int first, int second) { first += first; second +...
Concepts Of Programming Languages
Create an object of class Student. You will notice that this time you are prompted not only for a name of the i...
Objects First with Java: A Practical Introduction Using BlueJ (6th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- (Civil eng.) Write a C++ program to calculate and display the maximum bending moment, M, of a beam that’s supported on both ends (see Figure 3.8). The formula is M=XW(LX)/L, where X is the distance from the end of the beam that a weight, W, is placed, and L is the beam’s length. You program should produce this display: The maximum bending moment is xxxx.xxxx The xxxx.xxxx denotes placing the calculated value in a field wide enough for four places to the right and left of the decimal point. For your program, assign the values1.2,1.3,and11.2toX,W,andL.arrow_forward(C++) A robot is initially located at position (0, 0) in a grid [−5, 5] × [−5, 5]. The robot can move randomly in any of the directions: up, down, left, right. For each move, print the direction of the move and the current position of the robot. If the robot makes a circle, which means it moves back to the original place, print “Back to the origin!” to the console and stop the program. If it reaches the boundary of the grid, print “Hit the boundary!” to the console and stop the program. A successful run of your code may look like: Down (0,-1) Down (0,-2) Up (0,-1) Left (-1,-1) Left (-2,-1) Up (-2,0) Left (-3,0) Left (-4,0) Left (-5,0) Hit the boundary! or Left (-1,0) Down (-1,-1) Right (0,-1) Up (0,0) Back to the origin!arrow_forwardUse C++ programming language A customer in a store is purchasing five items. The prices of the five items are:Price of item 1 = $15.95Price of item 2 = $24.95Price of item 3 = $6.95Price of item 4 = $12.95Price of item 5 = $3.95Write a program that holds the prices of the five items in five variables. Display each item’sprice, the subtotal of the sale, the amount of sales tax, and the total. Assume the sales tax is7%.arrow_forward
- Speed Detector (Toy Problem) Write a program that takes as input the speed of a car e.g 80. If the speed is less than 70, it should print “Ok”. Otherwise, for every 5 km/s above the speed limit (70), it should give the driver one demerit point and print the total number of demerit points. For example, if the speed is 80, it should print: “Points: 2”. If the driver gets more than 12 points, the function should print: “License suspended”.arrow_forwardLanguage: Python Write a program that computes and displays the charges for a patient's hospital stay. First, the program should ask if the patient was admitted as an in-patient or an out-patient. If the patient was an in-patient the following data should be entered: - The number of days spent in the hospital - The daily rate -Charges for hospital services (lab tests, etc.) -Hospital medication charges If the patient was an out-patient the following data should be entered: -Charges for hospital services (lab tests, etx.) -Hospital medication charges Use a single, seperate function to validate that no input is less than zero. If it is, it should be re-entered before being returned. Once the required data has been input and validated, the program should use two seperate functions to calculate the total charges. One of the functions should accept arguments for the in-patient data, which the other function accepts arguments for out-patient data. Both functions should return the total…arrow_forwardPart C: Function, for and plotting We did a project in the lecture on calculating the free fall speeds and plotting them on a graph. This part is similar to the project. An engineer has derived a relationship between the force applied to a material and the extension in length that the force would cause. The relationship between force f and extension e is given by: You are asked to plot a graph showing the relationship between force and extension. You are asked to complete the following tasks: Task 1 Write a Python function which returns the value of e for a given input f. Do not use literals (e.g. 5.5, 10) in the expressions for e in the function. Instead you should define constants and use them. Note that the relationship between e and f depends on whether f is bigger than 10 or not, this means you need a certain Python construction in your function. If you can't think of that, have a look at Part A of Lab03.arrow_forward
- Write code else thumbs down! Prefer equationarrow_forwardC++ given main function int main() { int a, b, c, x, y; cout << "Enter a b c" << endl;cin >> a >> b >> c;cout << endl; cout << "Result: ";if (diophantine(a, b, c, x, y)) {cout << x << " " << y << endl;}else {cout << "No solution!" << endl;} return 0;}arrow_forwardPrograming Language: C++ Your time machine is capable of going forward in time up to 24 hours. The machine is configured to jump ahead in minutes. To enter the proper number of minutes into your machine, you would like a program that can take a start time (in hours, minutes, and a Boolean indicating AM or PM) and a future time (in hours, minutes, and a Boolean indicating AM or PM) and calculate the difference in minutes between the start and future time. A time is specified in your program with three variables: int hours, minutes; bool isAM; // You can also use a char, i.e. A or P for example, to represent 11:50 PM, you would store: hours = 11,minutes = 50, isAM = false or if using a char, hours = 11,minutes = 50, isAM = 'A' This means that you need six variables to store a start and future time. Write a program that allows the user to enter a start time and a future time. Include a function named computeDifference that takes the six variables as parameters that represent the start…arrow_forward
- (Rounding Numbers) An application of function floor is rounding a value to the nearestinteger. The statementy = floor(x + .5);will round the number x to the nearest integer and assign the result to y. Write a program that readsseveral numbers and uses the preceding statement to round each of these numbers to the nearestinteger. For each number processed, print both the original number and the rounded number.arrow_forward(Display three patterns using loops) Use nested loops that display the following patterns in three separateprograms:arrow_forwardWrite in C language Description Gomoku, also called Five in a Row, is an abstract strategy board game. It is traditionally played with black and white stones on a 19×19 board.The winner is the first player to form an unbroken chain of five stones horizontally, vertically, or diagonally. Please write a program to determine if there is a winner or not. Input Input content 19 line, each line content 19 character and a new line O represent white stone, X represent black stone and _ means there is no stone on that spot. Output Output "White" if white win, "Black" if black win, "No winner" if no one win.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
C++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology Ptr
EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
C++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage Learning
Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage Learning
Microsoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,
C++ for Engineers and Scientists
Computer Science
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Course Technology Ptr
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
C++ Programming: From Problem Analysis to Program...
Computer Science
ISBN:9781337102087
Author:D. S. Malik
Publisher:Cengage Learning
Programming with Microsoft Visual Basic 2017
Computer Science
ISBN:9781337102124
Author:Diane Zak
Publisher:Cengage Learning
Microsoft Visual C#
Computer Science
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Cengage Learning,
Structured Chart; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=vdUO-sGA1DA;License: Standard YouTube License, CC-BY
Introduction to Structure Charts; Author: Christopher Kalodikis;https://www.youtube.com/watch?v=QN2bjNplGlQ;License: Standard Youtube License