8.14 Exercises Exercise 8.1 A word is said to be \"abecedarian\" if the letters

Question

8.14 Exercises Exercise 8.1 A word is said to be "abecedarian" if the letters in the word appear in alphabetical order. For example, the following are all 6-letter English abecedarian words. abdest, acknow, acorsy, adempt, adipsy, agnosy, befist, behint, beknow, bijoux, biopsy, cestuy, chintz, deflux, dehors, dehort, deinos, diluvy, dimpsy a. Describe an algorithm for checking whether a given word (String) is abecedarian, assuming that the word contains only lower-case letters. Your algorithm can be iterative or recursive. b. Implement your algorithm in a function called IsAbecedarian).

Explanation / Answer

Solution:

import java.util.Scanner;

public class Abecedarian {

// Driver method to check the functionality of the isAbecedarian

public static void main( String[] args ){

Scanner scan = new Scanner(System.in);

//Taking the input from the user

System.out.println("Enter a word to check for abecedarian");

String word=scan.nextLine().toLowerCase();

//If isAbecedarian returns true that means the given word is an abecedarian else its not.

if(isAbecedarian(word))

System.out.println("The given word is Abecedarian.");

else

System.out.println("The given word is not an Abecedarian.");

}

  

//Abecedarian method will return true if the given word is abecedarian else it will return false.

public static boolean isAbecedarian(String s) {

int index = 0;

char c = 'a';

//Iterating over the word and checking each character with the previous letter

while (index < s.length()) {

if (c > s.charAt(index)) {

return false;

}

c = s.charAt(index);

index = index + 1;

}

return true;

}

}

Sample Run 1:

Enter a word to check for abecedarian
education
The given word is not an Abecedarian.

Sample Run 2:

Enter a word to check for abecedarian
biopsy
The given word is Abecedarian.

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