Starting Out with Programming Logic and Design (4th Edition)
4th Edition
ISBN: 9780133985078
Author: Tony Gaddis
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 6MC
The For loop is a ______ type of loop.
- a. pretest
- b. posttest
- c. prequalified
- d. post iterative
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Change the following code so that there is always at least one way to get from the left corner to the top right, but the labyrinth is still randomized.
The player starts at the bottom left corner of the labyrinth. He has to get to the top right corner of the labyrinth as fast he can, avoiding a meeting with the evil dragon. Take care that the player and the dragon cannot start off on walls. Also the dragon starts off from a randomly chosen position
public class Labyrinth { private final int size; private final Cell[][] grid;
public Labyrinth(int size) { this.size = size; this.grid = new Cell[size][size]; generateLabyrinth(); }
private void generateLabyrinth() { Random rand = new Random(); for (int i = 0; i < size; i++) { for (int j = 0; j < size; j++) { // Randomly create walls and paths grid[i][j] = new Cell(rand.nextBoolean()); } } // Ensure start and end are…
Change the following code so that it checks the following 3 conditions:
1. there is no space between each cells (imgs)
2. even if it is resized, the components wouldn't disappear
3. The GameGUI JPanel takes all the JFrame space, so that there shouldn't be extra space appearing in the frame other than the game.
Main():
Labyrinth labyrinth = new Labyrinth(10);
Player player = new Player(9, 0); Dragon dragon = new Dragon(9, 9);
JFrame frame = new JFrame("Labyrinth Game"); GameGUI gui = new GameGUI(labyrinth, player, dragon);
frame.add(gui); frame.setSize(600, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true);
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; //labyrinth, player, dragon are just public classes
private final ImageIcon playerIcon = new ImageIcon("data/images/player.png");…
Make the following game user friendly with GUI, with some simple graphics. The GUI should be in another seperate class, with some ImageIcon, and Game class should be added into the pane.
The following code works as this: The objective of the player is to escape from this labyrinth. The player starts at the bottom left corner of the labyrinth. He has to get to the top right corner of the labyrinth as fast he can, avoiding a meeting with the evil dragon. The player can move only in four directions: left, right, up or down. There are several escape paths in all labyrinths. The player’s character should be able to moved with the well known WASD keyboard buttons. If the dragon gets to a neighboring field of the player, then the player dies. Because it is dark in the labyrinth, the player can see only the neighboring fields at a distance of 3 units.
Cell Class:
public class Cell { private boolean isWall; public Cell(boolean isWall) { this.isWall = isWall; } public boolean isWall() { return…
Chapter 5 Solutions
Starting Out with Programming Logic and Design (4th Edition)
Ch. 5.1 - What is a repetition structure?Ch. 5.1 - What is a condition-controlled loop?Ch. 5.1 - What is a count-controlled loop?Ch. 5.2 - What is a loop iteration?Ch. 5.2 - What is the difference between a pretest loop and...Ch. 5.2 - Does the While loop test its condition before or...Ch. 5.2 - Does the Do-While loop test its condition before...Ch. 5.2 - What is an infinite loop?Ch. 5.2 - What is the difference between a Do-While loop and...Ch. 5.3 - What is a counter variable?
Ch. 5.3 - What three actions do count-controlled loops...Ch. 5.3 - When you increment a variable, what are you doing?...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Prob. 5.14CPCh. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.3 - Look at the following pseudocode. If it were a...Ch. 5.4 - A program that calculates the total of a series of...Ch. 5.4 - Prob. 5.20CPCh. 5.4 - Should an accumulator be initialized to any...Ch. 5.4 - Look at the following pseudocode. If it were a...Ch. 5.4 - Look at the following pseudocode. If it were a...Ch. 5.5 - Prob. 5.24CPCh. 5.5 - Why should you take care to choose a unique value...Ch. 5 - A ______ controlled loop uses a true/false...Ch. 5 - A ______ controlled loop repeats a specific number...Ch. 5 - Each repetition of a loop is known as a(n) ______....Ch. 5 - The Whi1e loop is a ______ type of loop. a....Ch. 5 - The Do-Whi1e loop is a ______ type of loop. a....Ch. 5 - The For loop is a ______ type of loop. a. pretest...Ch. 5 - A(n) ______ loop has no way of ending and repeats...Ch. 5 - A _______ loop always executes at least once. a....Ch. 5 - Prob. 9MCCh. 5 - A(n) ______ is a special value that signals when...Ch. 5 - A condition-controlled loop always repeats a...Ch. 5 - The While loop is a pretest loop.Ch. 5 - The Do-While loop is a pretest loop.Ch. 5 - You should not write code that modifies the...Ch. 5 - You cannot display the contents of the counter...Ch. 5 - Prob. 6TFCh. 5 - The following statement decrements the variable x:...Ch. 5 - It is not necessary to initialize accumulator...Ch. 5 - In a nested loop, the inner loop goes through all...Ch. 5 - To calculate the total number of iterations of a...Ch. 5 - Why should you indent the statements in the body...Ch. 5 - Describe the difference between pretest loops and...Ch. 5 - What is a condition-controlled loop?Ch. 5 - What is a count-controlled loop?Ch. 5 - What three actions do count-controlled loops...Ch. 5 - What is an infinite loop? Write the code for an...Ch. 5 - A For loop looks like what other loop in a...Ch. 5 - Why is it critical that accumulator variables are...Ch. 5 - What is the advantage of using a sentinel?Ch. 5 - Prob. 10SACh. 5 - Design a Whi1e loop that lets the user enter a...Ch. 5 - Design a Do-Whi1e loop that asks the user to enter...Ch. 5 - Design a For loop that displays the following set...Ch. 5 - Design a loop that asks the user to enter a...Ch. 5 - Design a For loop that calculates the total of the...Ch. 5 - Design a nested loop that displays 10 rows of #...Ch. 5 - Convert the Whi1e loop in the following code to a...Ch. 5 - Convert the Do-Whi1e loop in the following code to...Ch. 5 - Convert the following Whi1e loop to a For loop:...Ch. 5 - Convert the following For loop to a Whi1e loop:...Ch. 5 - Find the error in the following pseudocode....Ch. 5 - The programmer intended the following pseudocode...Ch. 5 - The programmer intended the following pseudocode...Ch. 5 - Bug Collector A bug collector collects bugs every...Ch. 5 - Calories Burned Running on a particular treadmill...Ch. 5 - Budget Analysis Design a program that asks the...Ch. 5 - Sum of Numbers Design a program with a loop that...Ch. 5 - Tuition Increase At one college, the tuition for a...Ch. 5 - Distance Traveled The distance a vehicle travels...Ch. 5 - Average Rainfall Design a program that uses nested...Ch. 5 - Celsius to Fahrenheit Table Design a program that...Ch. 5 - Pennies for Pay Design a program that calculates...Ch. 5 - Largest and Smallest Design a program with a loop...Ch. 5 - First and Last Design a program that asks the user...Ch. 5 - Calculating the Factorial of a Number In...Ch. 5 - Prob. 13PE
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