Data Structures and Algorithms in Java
Data Structures and Algorithms in Java
6th Edition
ISBN: 9781118771334
Author: Michael T. Goodrich
Publisher: WILEY
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Chapter 1, Problem 9R
Program Plan Intro

Removing all the punctuations from a string

Program plan:

  • Create a class StringBuilder to remove all the punctuation stored in a string.
    • In main() function,
      • Initially, assign the original string in variable.
      • Then, invoke the removeIt()function to remove all the punctuation in a string and store the final value in original string.
      • Display the string after removing the punctuation in console screen.
    • In the method removeAt(),
      • It passes  input parameter “s” to check whether the character contains punctuation in the string. If yes, then it removes all the punctuation stored in the string “s”.
      • For loop read all the characters from a sentence until the condition leads to false.
      • Then, it calls the function ok() and check whether the character at “j” position matches with the character or not.
        • If the result returns the Boolean value false, then delete the character at the specified position in “j” otherwise store the character using Tostring() method in “s” variable.
    • In the method ok(),
      • It passes input parameter “i” to check whether the character in the sentence matches with the corresponding ASCII values.
        • If yes, then it returns the Boolean value true otherwise it return false.

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Data Structures and Algorithms in Java

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