
Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Question
Chapter 15, Problem 21PE
Program Plan Intro
Maze
Program plan:
Maze.java
- Create a class named “Maze”. Inside the class,
- Declare the required variables
- Define the “Maze ()” method.
- Initialize the values.
- Define the “pathsFrom ()” method.
- Create an array list.
- Use necessary conditions to validate the rows and columns.
- Return the path required after validation.
- Loop that iterates for the path
- Call the method “extend()”
- Define the “extend ()” method.
- Assign the value
- Loop that iterates for validating the path and position whether there is a straight path or a turn required.
- Else make the visit to the next rows and column to explore the path
- Define the “isExit ()” method.
- Return the position.
- Define the “isDeadEnd ()” method.
- Return true if the position is dead end
- Define the “isValid ()” method.
- Return true is the position is valid
- Define the “countNeighbors ()” method.
- Condition to validate the neighbors are with the maze and not with the walls.
- Return the count
MazeSolver.java
- Create a class named “MazeSolver”. Inside the class,
- Define the method “solve ()”
- Create a new stack
- Set for the visited intersection is defined.
- Add the required rows and columns.
- Loop that iterates for the path
- Move to the path
- Loop that iterates for the size of the stack.
- Assign the required path.
- Assign the required row and columns
- Use necessary condition to validate the maze rows and columns and display the appropriate messages.
- Define the method “solve ()”
MazeSolverDemo.java
- Create a class named “MazeSolverDemo”. Inside the class,
- Define the method “main ()”
- Define the maze.
- Call the method to solve the maze.
- Define the method “main ()”
Path.java
- Create a class named “Path”. Inside the class,
- Define the required variables.
- Define the method “path ()”
- Initialize the required variables.
- Define the method “move ()”
- Assign the row and columns.
- Define the method “turn ()”
- Assign the direction
- Calculate the ending direction.
- Define the method “getEndingRow ()”
- Return the end row.
- Define the method “getEndingColumn ()”
- Return the end columns.
- Define the method “getNextRow ()”
- Return the next row.
- Define the method “getNextColumn ()”
- Return the next columns
- Define the method “isOpposite ()”
- Return true if direction are opposite
- Define the method “isOpposite ()”
- Return true if direction are opposite
- Define the method “toString ()”
- Assign the result.
- Condition to validate the rows and columns
- Return the result.
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Chapter 15 Solutions
Big Java Late Objects
Ch. 15.1 - Prob. 1SCCh. 15.1 - Prob. 2SCCh. 15.1 - Prob. 3SCCh. 15.1 - Prob. 4SCCh. 15.2 - Prob. 5SCCh. 15.2 - Prob. 6SCCh. 15.2 - Prob. 7SCCh. 15.2 - Prob. 8SCCh. 15.2 - Prob. 9SCCh. 15.3 - Prob. 10SC
Ch. 15.3 - Prob. 11SCCh. 15.3 - Prob. 12SCCh. 15.3 - Prob. 13SCCh. 15.3 - Prob. 14SCCh. 15.3 - Prob. 15SCCh. 15.4 - Prob. 16SCCh. 15.4 - Prob. 17SCCh. 15.4 - Prob. 18SCCh. 15.4 - Prob. 19SCCh. 15.4 - Prob. 20SCCh. 15.5 - Prob. 21SCCh. 15.5 - Prob. 22SCCh. 15.5 - Prob. 23SCCh. 15.5 - Prob. 24SCCh. 15.5 - Prob. 25SCCh. 15.6 - Prob. 26SCCh. 15.6 - Prob. 27SCCh. 15.6 - Prob. 28SCCh. 15.6 - Prob. 29SCCh. 15.6 - Prob. 30SCCh. 15 - Prob. 1RECh. 15 - Prob. 2RECh. 15 - Prob. 3RECh. 15 - Prob. 4RECh. 15 - Prob. 5RECh. 15 - Prob. 6RECh. 15 - Prob. 7RECh. 15 - Prob. 8RECh. 15 - Prob. 9RECh. 15 - Prob. 10RECh. 15 - Prob. 11RECh. 15 - Prob. 12RECh. 15 - Prob. 13RECh. 15 - Prob. 14RECh. 15 - Prob. 15RECh. 15 - Prob. 16RECh. 15 - Prob. 17RECh. 15 - Prob. 18RECh. 15 - Prob. 19RECh. 15 - Prob. 20RECh. 15 - Prob. 21RECh. 15 - Prob. 22RECh. 15 - Prob. 23RECh. 15 - Prob. 24RECh. 15 - Prob. 25RECh. 15 - Prob. 26RECh. 15 - Prob. 1PECh. 15 - Prob. 2PECh. 15 - Prob. 3PECh. 15 - Prob. 4PECh. 15 - Prob. 5PECh. 15 - Prob. 6PECh. 15 - Prob. 7PECh. 15 - Prob. 8PECh. 15 - Prob. 9PECh. 15 - Prob. 10PECh. 15 - Prob. 11PECh. 15 - Prob. 12PECh. 15 - Prob. 13PECh. 15 - Prob. 14PECh. 15 - Prob. 15PECh. 15 - Prob. 16PECh. 15 - Prob. 17PECh. 15 - Prob. 18PECh. 15 - Prob. 19PECh. 15 - Prob. 20PECh. 15 - Prob. 21PECh. 15 - Prob. 22PECh. 15 - Prob. 1PPCh. 15 - Prob. 2PPCh. 15 - Prob. 3PPCh. 15 - Prob. 4PPCh. 15 - Prob. 5PPCh. 15 - Prob. 6PPCh. 15 - Prob. 7PPCh. 15 - Prob. 8PPCh. 15 - Prob. 9PPCh. 15 - Prob. 10PPCh. 15 - Prob. 11PPCh. 15 - Prob. 12PPCh. 15 - Prob. 13PPCh. 15 - Prob. 14PP
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