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 22C
Program Plan Intro

Strings formed by using characters

Program plan:

  • Create a class Permute that displays all the possible strings formed by using the characters.
    • In main() function,
      • Declare the required variables.
      • Create the object for the class permute.
      • Use the object to invoke the method nextLevel().
    • In nextLevel() method,
      • Use the for loop to remove the remaining letters from string and then it is inserted into partial string.
      • Call the function nextLevel().recursively to remove each letter one at a time from remainingLetters and then append it to the partial string.
      • If there are no remaining letters, partial string must be completed and convert it to a string to display it.

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