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Write a program to input a sentence. Convert the sentence into upper case letters. Display the words along with frequency of the words which have at least a pair of consecutive letters.
Sample Input: MODEM IS AN ELECTRONIC DEVICE
Sample Output:
MODEM
DEVICE
Number of words containing consecutive letters: 2

Java

Java String Handling

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Answer

import java.util.Scanner;

public class KboatStringConsecutive
{
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter the string: ");
        String str = in.nextLine();
        str = str.toUpperCase();
        str += " ";
        String word = "";
        int count = 0;
        int len = str.length();
        
        for (int i = 0; i < len; i++) {
            if (str.charAt(i) == ' ') {
                int wordLen = word.length();
                for (int j = 0; j < wordLen - 1; j++) {
                    if (word.charAt(j) + 1 == word.charAt(j + 1)) {
                        count++;
                        System.out.println(word);
                        break;
                    }
                }
                
                word = "";
            }
            else {
                word += str.charAt(i);
            }
            
        }
        
        System.out.println("Number of words containing consecutive letters: " + count);
    }
}

Variable Description Table

Program Explanation

Output

BlueJ output of Write a program to input a sentence. Convert the sentence into upper case letters. Display the words along with frequency of the words which have at least a pair of consecutive letters. Sample Input: MODEM IS AN ELECTRONIC DEVICE Sample Output: MODEM DEVICE Number of words containing consecutive letters: 2

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