Problem Solving with C++ plus MyProgrammingLab with Pearson eText-- Access Card Package (9th Edition)
9th Edition
ISBN: 9780133862218
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 2PP
(This Project requires that you know some basic facts about complex numbers, so it is only appropriate if you have studied complex numbers in some mathematics class.)
Write a C++
| ax2 + bx + c = 0 |
(where a is not zero) are given by the formula
| (−b ± sqrt(b2 − 4ac)) / 2a |
The value of the discriminant (b2 − 4ac) determines the nature of roots. If the value of the discriminant is zero, then the equation has a single real root. If the value of the discriminant is positive then the equation has two real roots. If the value of the discriminant is negative, then the equation has two complex roots.
The program takes values of a, b, and c as input and outputs the roots. Be creative in how you output complex roots. Include a loop that allows the user to repeat this calculation for new input values until the user says she or he wants to end the program.
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Q4: Consider the LIBRARY relational database schema shown in Figure below
a. Edit Author_name to new variable name where previous
surname was 'Al - Wazny'.
Update book_Authors
set Author_name = 'alsaadi'
where Author_name = 'Al - Wazny'
b. Change data type of Phone to string instead
of numbers.
عرفنه شنو الحل
BOOK
Book id Title Publisher_name
BOOK AUTHORS
Book id Author_name
PUBLISHER
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c. Add two Publishers Company existed in UK.
insert into publisher(name, address, phone)
value('ali','uk',78547889), ('karrar', 'uk', 78547889)
d. Remove all books author when author name contains second character 'D' and ending by
character 'i'.
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عرفته شنو الحل
e. Add one book as variables data?
عرفته شنو الحل
Add a timer in the following code.
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private Timer timer; private long elapsedTime;
public GameGUI(Labyrinth labyrinth, Player player, Dragon dragon) { this.labyrinth = labyrinth; this.player = player; this.dragon = dragon; String playerName = JOptionPane.showInputDialog("Enter your name:"); player.setName(playerName); elapsedTime = 0; timer = new Timer(1000, e -> { elapsedTime++; repaint(); }); timer.start();
}
@Override protected void paintComponent(Graphics g) { super.paintComponent(g); int cellSize = Math.min(getWidth() / labyrinth.getSize(), getHeight() / labyrinth.getSize());}
Change the following code so that when player wins the game, the game continues by creating new GameGUI with the same player. However the player's starting position is same, everything else should be reseted.
public static void main(String[] args) { Labyrinth labyrinth = new Labyrinth(10); Player player = new Player(9, 0); Random rand = new Random(); Dragon dragon = new Dragon(rand.nextInt(10), 9); JFrame frame = new JFrame("Labyrinth Game"); GameGUI gui = new GameGUI(labyrinth, player, dragon);
frame.setLayout(new BorderLayout()); frame.setSize(600, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(gui, BorderLayout.CENTER); frame.pack(); frame.setResizable(false); frame.setVisible(true); }
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private Timer timer; private long…
Chapter 3 Solutions
Problem Solving with C++ plus MyProgrammingLab with Pearson eText-- Access Card Package (9th Edition)
Ch. 3.1 - Determine the value, true or false, of each of the...Ch. 3.1 - Name two kinds of statements in C++ that alter the...Ch. 3.1 - In college algebra we see numeric intervals given...Ch. 3.1 - Prob. 4STECh. 3.2 - What output will be produced by the following...Ch. 3.2 - What output will be produced by the following...Ch. 3.2 - What would be the output in Self-Test Exercise 6...Ch. 3.2 - What would be the output in Self-Test Exercise 6...Ch. 3.2 - What output will be produced by the following...Ch. 3.2 - What would be the output in Self-Test Exercise 9...
Ch. 3.2 - What output will be produced by the following...Ch. 3.2 - Write a multiway if-else statement that classifies...Ch. 3.2 - Given the following declaration and output...Ch. 3.2 - Given the following declaration and output...Ch. 3.2 - What output will be produced by the following...Ch. 3.2 - What would be the output in Self-Test Exercise 15...Ch. 3.2 - What would be the output in Self-Test Exercise 15...Ch. 3.2 - What would be the output in Self-Test Exercise 15...Ch. 3.2 - Prob. 19STECh. 3.2 - Though we urge you not to program using this...Ch. 3.3 - Prob. 21STECh. 3.3 - Prob. 22STECh. 3.3 - What is the output of the following (when embedded...Ch. 3.3 - What is the output of the following (when embedded...Ch. 3.3 - Prob. 25STECh. 3.3 - What is the output of the following (when embedded...Ch. 3.3 - Prob. 27STECh. 3.3 - For each of the following situations, tell which...Ch. 3.3 - Rewrite the following loops as for loops. a.int i...Ch. 3.3 - What is the output of this loop? Identify the...Ch. 3.3 - What is the output of this loop? Comment on the...Ch. 3.3 - What is the output of this loop? Comment on the...Ch. 3.3 - What is the output of the following (when embedded...Ch. 3.3 - What is the output of the following (when embedded...Ch. 3.3 - What does a break statement do? Where is it legal...Ch. 3.4 - Write a loop that will write the word Hello to the...Ch. 3.4 - Write a loop that will read in a list of even...Ch. 3.4 - Prob. 38STECh. 3.4 - Prob. 39STECh. 3.4 - What is an off-by-one loop error?Ch. 3.4 - You have a fence that is to be 100 meters long....Ch. 3 - Write a program to score the paper-rock-scissor...Ch. 3 - Write a program to compute the interest due, total...Ch. 3 - Write an astrology program. The user types in a...Ch. 3 - Horoscope Signs of the same Element are most...Ch. 3 - Write a program that finds and prints all of the...Ch. 3 - Buoyancy is the ability of an object to float....Ch. 3 - Write a program that finds the temperature that is...Ch. 3 - Write a program that computes the cost of a...Ch. 3 - (This Project requires that you know some basic...Ch. 3 - Write a program that accepts a year written as a...Ch. 3 - Write a program that scores a blackjack hand. In...Ch. 3 - Interest on a loan is paid on a declining balance,...Ch. 3 - The Fibonacci numbers F are defined as follows. F...Ch. 3 - The value ex can be approximated by the sum 1 + x...Ch. 3 - Prob. 8PPCh. 3 - Prob. 9PPCh. 3 - Repeat Programming Project 13 from Chapter 2 but...Ch. 3 - The keypad on your oven is used to enter the...Ch. 3 - The game of 23 is a two-player game that begins...Ch. 3 - Holy digits Batman! The Riddler is planning his...
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- Create a menu item which restarts the game. Also add a timer, which counts the elapsed time since the start of the game level. When the restart is pressed, the restarted game should ask the player' name (in the GameGUI constructor) and set the score of player to 0 (player.setScore(0)), and the timer should restart again. And create a logic so that if the player loses his life (checkGame if the condition is false), then save this number together with his name into two variables. And display two buttons where one quits the game altogether (System.exit(0)) and the other restarts the game. public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private final ImageIcon playerIcon = new ImageIcon("data/images/player.png"); private final ImageIcon dragonIcon = new ImageIcon("data/images/dragon.png"); private final ImageIcon wallIcon = new ImageIcon("data/images/wall.png"); private final ImageIcon…arrow_forwardPlease original work Analyze the complexity issues of processing big data What are five complexities and talk about the reasons they make the implementation complex. Please cite in text references and add weblinksarrow_forwardCreate a Database in JAVA Netbeans that saves name of the player and how many labyrinths did the player solve. Record the number of how many labyrinths did the player solve, and if he loses his life, then save this number together with his name into the database. Create a menu item, which displays a highscore table of the players for the 10 best scores public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private void checkGameState() { if (player.getX() == 0 && player.getY() == labyrinth.getSize() - 1) { JOptionPane.showMessageDialog(this, "You escaped! Congratulations!"); System.exit(0); } if (Math.abs(player.getX() - dragon.getX()) <= 1 && Math.abs(player.getY() - dragon.getY()) <= 1) { JOptionPane.showMessageDialog(this, "The dragon caught you! Game Over."); System.exit(0); } } } public…arrow_forward
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