
Big Java, Binder Ready Version: Early Objects
6th Edition
ISBN: 9781119056447
Author: Cay S. Horstmann
Publisher: WILEY
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Question
Chapter 13, Problem 4PP
Program Plan Intro
Permutation of word
Program plan:
Filename: “PermutationIterator.java”
This program file is used to define a class “PermutationIterator”. In the code,
- Import the required packages.
- Define a class “PermutationIterator”.
- Define the class members.
- Define the constructor “PermutationIterator()”.
- Initialize the class members.
- Define a method “nextPermutation()”.
- If the length of the word is equal to 0.
- Increment “current” by 1.
- Return an empty string.
- Declare a variable “c” and assign the character of “word” at “current” position.
- Call the method “nextPermutation()” and assign the value to “nextpermut”.
- If the condition “!tailIterator.hasMorePermutations()” is true,
-
- Increment the current by 1.
- If the “current” is greater than or equal to length of the “word”,
- Set the value of “tailIterator” as “null”.
- Else
- If the “current+1” is greater than or equal to the length of the “word”,
- Get substring of “word” to “tail”.
- If the “current+1” is less than the length of the “word”,
- Get the substring of “word” to “tail”.
- Create “tailIterator” as an object of “PermutationIterator”.
- If the “current+1” is less than the length of the “word”,
- Get substring of “word” to “tail”.
- If the “current+1” is greater than or equal to the length of the “word”,
- Return the value of sum of character “c” and string “nextPermut”.
- If the length of the word is equal to 0.
- Define a method “hasMorePermutations()”.
- Return the value.
Filename: “PermutationIterator.java”
This program file is used to define a class “PermutationIteratorDemo”. In the code,
- Import the required packages.
- Define a class “PermutationIteratorDemo”.
- Define the “main” method.
- Define the object “iter” of “PermutationIterator”.
- Call the method “nextPermutation()” using “iter” and return the value.
- Print the expected value.
- Call the method “nextPermutation()” using “iter” and return the value.
- Print the expected value.
- Call the method “nextPermutation()” using “iter” and return the value.
- Print the expected value.
- Call the method “nextPermutation()” using “iter” and return the value.
- Print the expected value.
- Call the method “nextPermutation()” using “iter” and return the value.
- Print the expected value.
- Call the method “nextPermutation()” using “iter” and return the value.
- Print the expected value.
- Call the method “nextPermutation()” using “iter” and return the value.
- Print the expected value.
- Define the “main” method.
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Chapter 13 Solutions
Big Java, Binder Ready Version: Early Objects
Ch. 13.1 - Prob. 1SCCh. 13.1 - Prob. 2SCCh. 13.1 - Prob. 3SCCh. 13.1 - Prob. 4SCCh. 13.1 - Prob. 5SCCh. 13.2 - Prob. 6SCCh. 13.2 - Prob. 7SCCh. 13.2 - Prob. 8SCCh. 13.2 - Prob. 9SCCh. 13.3 - Prob. 10SC
Ch. 13.3 - Prob. 11SCCh. 13.3 - Prob. 12SCCh. 13.4 - Prob. 13SCCh. 13.4 - Prob. 14SCCh. 13.4 - Prob. 15SCCh. 13.5 - Prob. 16SCCh. 13.5 - Prob. 17SCCh. 13.5 - Prob. 18SCCh. 13.6 - Prob. 19SCCh. 13.6 - Prob. 20SCCh. 13.6 - Prob. 21SCCh. 13 - Prob. 1RECh. 13 - Prob. 2RECh. 13 - Prob. 3RECh. 13 - Prob. 4RECh. 13 - Prob. 5RECh. 13 - Prob. 6RECh. 13 - Prob. 7RECh. 13 - Prob. 8RECh. 13 - Prob. 9RECh. 13 - Prob. 10RECh. 13 - Prob. 11RECh. 13 - Prob. 12RECh. 13 - Prob. 13RECh. 13 - Prob. 1PECh. 13 - Prob. 2PECh. 13 - Prob. 3PECh. 13 - Prob. 4PECh. 13 - Prob. 5PECh. 13 - Prob. 6PECh. 13 - Prob. 7PECh. 13 - Prob. 8PECh. 13 - Prob. 9PECh. 13 - Prob. 10PECh. 13 - Prob. 11PECh. 13 - Prob. 12PECh. 13 - Prob. 13PECh. 13 - Prob. 14PECh. 13 - Prob. 15PECh. 13 - Prob. 16PECh. 13 - Prob. 17PECh. 13 - Prob. 18PECh. 13 - Prob. 19PECh. 13 - Prob. 20PECh. 13 - Prob. 21PECh. 13 - Prob. 22PECh. 13 - Prob. 23PECh. 13 - Prob. 24PECh. 13 - Prob. 25PECh. 13 - Prob. 26PECh. 13 - Prob. 27PECh. 13 - Prob. 1PPCh. 13 - Prob. 2PPCh. 13 - Prob. 3PPCh. 13 - Prob. 4PPCh. 13 - Prob. 5PPCh. 13 - Prob. 6PPCh. 13 - Prob. 7PPCh. 13 - Prob. 8PPCh. 13 - Prob. 9PPCh. 13 - Prob. 10PPCh. 13 - Prob. 11PPCh. 13 - Prob. 12PPCh. 13 - Prob. 13PP
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