Java: An Introduction to Problem Solving and Programming (8th Edition)
8th Edition
ISBN: 9780134462035
Author: Walter Savitch
Publisher: PEARSON
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Chapter 3.1, Problem 3STQ
Suppose salary and deductions are variables of type double that have been given values. Write an if- else statement that displays OK and sets the variable net equal to salary minus deductions, provided that salary is at least as large as deductions. If, however, salary is less than deductions, the if-else statement should simply display the words No way but not change the value of any variables.
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3. Problem Description: Define the Circle2D class that contains:
Two double data fields named x and y that specify the center of the circle with get
methods.
• A data field radius with a get method.
•
A no-arg constructor that creates a default circle with (0, 0) for (x, y) and 1 for radius.
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A constructor that creates a circle with the specified x, y, and radius.
•
A method getArea() that returns the area of the circle.
•
A method getPerimeter() that returns the perimeter of the circle.
•
•
•
A method contains(double x, double y) that returns true if the specified point (x, y) is inside
this circle. See Figure (a).
A method contains(Circle2D circle) that returns true if the specified circle is inside this
circle. See Figure (b).
A method overlaps (Circle2D circle) that returns true if the specified circle overlaps with this
circle. See the figure below.
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Figure (a) A point is inside the circle. (b) A circle is inside another circle.
(c) A circle overlaps another…
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Chapter 3 Solutions
Java: An Introduction to Problem Solving and Programming (8th Edition)
Ch. 3.1 - Suppose goals is a variable of type int. Write an...Ch. 3.1 - Suppose goals and errors are variables of type...Ch. 3.1 - Suppose salary and deductions are variables of...Ch. 3.1 - Suppose speed and visibility are variables of type...Ch. 3.1 - Suppose salary and bonus are variables of type...Ch. 3.1 - Assume that nextWord is a string variable that has...Ch. 3.1 - Prob. 7STQCh. 3.1 - What output is produced by the following code? int...Ch. 3.1 - Suppose you change the code in the previous...Ch. 3.1 - What output is produced by the following code? int...
Ch. 3.2 - Suppose number is a variable of type int that has...Ch. 3.2 - What output is produced by the following...Ch. 3.2 - What output is produced by the following...Ch. 3.2 - What output is produced by the following...Ch. 3.3 - What output is produced by the following code?Ch. 3.3 - Suppose you change the code in the previous...Ch. 3.3 - What output is produced by the following code?Ch. 3.3 - What output is produced by the following code?Ch. 3.3 - Suppose you change the first line of the code in...Ch. 3.3 - Prob. 20STQCh. 3.4 - Suppose you change the order of the drawing...Ch. 3.4 - Prob. 22STQCh. 3.4 - Write code for a JOptionPane dialog that will ask...Ch. 3 - Write a fragment of code that will test whether an...Ch. 3 - Write a fragment of code that will change the...Ch. 3 - Suppose you are writing a program that asks the...Ch. 3 - Prob. 4ECh. 3 - Consider the following fragment of code: What is...Ch. 3 - We would like to assess a service charge for...Ch. 3 - What is the value of each of the following boolean...Ch. 3 - The following code fragment will not compile. Why?...Ch. 3 - Prob. 9ECh. 3 - Consider the boolean expression (2 5) (x 100))....Ch. 3 - Write a switch statement to convert a letter grade...Ch. 3 - Consider the previous question, but include + or ...Ch. 3 - Imagine a program that displays a menu of five...Ch. 3 - Repeat the previous exercise, but define an...Ch. 3 - Repeat Exercise 13, but use a multibranch if-else...Ch. 3 - Given that the int variable temp contains a...Ch. 3 - Write Java statements that create a yes-or-no...Ch. 3 - A number x is divisible by y if the remainder...Ch. 3 - Write a program to read in three nonnegative...Ch. 3 - Write a program that reads three strings from the...Ch. 3 - Write a program that reads a one-line sentence as...Ch. 3 - Write a program that allows the user to convert a...Ch. 3 - Write a program that inputs an integer. If the...Ch. 3 - Prob. 7PCh. 3 - Repeat Programming Project 5 of Chapter 2, but...Ch. 3 - Repeat any of the previous Practice Programs using...Ch. 3 - Suppose that we are working for an online service...Ch. 3 - Write a program that reads a string from the...Ch. 3 - Repeat the calorie-counting program described in...Ch. 3 - Repeat Programming Project 5 but in addition ask...Ch. 3 - Repeat Programming Project 11 in Chapter 2, but if...Ch. 3 - Write a program to play the rock-paper-scissor...Ch. 3 - Prob. 9PPCh. 3 - Repeat Programming Project 8 in Chapter 1, but add...Ch. 3 - Write a program that inputs two strings that...
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