Java: An Introduction to Problem Solving and Programming plus MyProgrammingLab with Pearson eText -- Access Card Package (7th Edition)
7th Edition
ISBN: 9780133862119
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 3.1, Problem 10STQ
What output is produced by the following code?
int time = 2, tide = 3;
if (time + tide > 6)
System.out.println(“Time and tide wait for no one.”);
else if (time + tide > 5)
System.out.println(“Time and tide wait for someone.”);
else if (time + tide > 4)
System.out.println(“Time and tide wait for everyone.”);
else
System.out.println(“Time and tide wait for me.”);
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What is the output of the following, if n=1, n=2, n=3, n=4, and n=5, respectively?
int n = scan.nextInt();
switch (n)
{
case 1:
case 2:
System.out.print(“less than 3”);
break;
case 3:
case 4:
System.out.print(“less than 5 but bigger than 2”);
break;
default:
System.out.print(“Other situations”);
}
THIS IS IN JAVA
Given x = 1, y = 2, and z = 3, how is the expression evaluated? In the choices, items in parentheses are evaluated first.
<pre><code>(x == 5) || (y == 2) && (z == 5)</code></pre>
A. false OR (true AND false) --> false OR false --> false
B. false OR (true AND false) --> false OR true --> true
C. (false OR true) AND false --> true AND false --> false
D. (false OR true) AND false --> true AND false --> true
Write a program that calculates the estimated hours and minutes for a trip given the number of miles traveled and the speed in miles per hour.
Specifically, write a program that
Welcomes the user to the Travel Time Calculator.
Asks user for number of miles traveled(allow user to enter fractional values)
Asks user for the speed in miles per hour (allow user to enter fractional values)
Calculates the number of hours and minutes for the trip to the nearest integer value. Hint: You can use the built-in function round that rounds a given number to the rounded integer value. e.g. round(4) will return 4, round(4.125) will return 4, round(4.5) will return 4 and round (4.75) will return 5.
Prints the number of hours and minutes for the trip.
Here are some sample runs:
Chapter 3 Solutions
Java: An Introduction to Problem Solving and Programming plus MyProgrammingLab with Pearson eText -- Access Card Package (7th 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 - Prob. 21STQCh. 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...
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