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Solved 2019 ICSE Computer Science Paper

Class 10 - ICSE Computer Science Solved Papers

Count Letters in a Sentence Program - ICSE 2019 Computer Science

Write a program to input a sentence and convert it into uppercase and count and display the total number of words starting with a letter ‘A’.

Example:
Sample Input: ADVANCEMENT AND APPLICATION OF INFORMATION TECHNOLOGY ARE EVER CHANGING.
Sample Output: Total number of words starting with letter ‘A’ = 4.

Java 

 import java.util.Scanner;
class Starting{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        System.out.print("Enter the sentence: ");
        String s = in.nextLine().toUpperCase();
        int count = 0;
        for(int i = 0; i < s.length(); i++){
            char ch = s.charAt(i);
            if(i == 0 || s.charAt(i - 1) == ' '){
                if(ch == 'A')
                    count++;
            }
        }
        System.out.println("Words starting with letter 'A' = " + count);
    }
}

Output

 
 OUTPUT : 
Enter the sentence: ADVANCEMENT AND APPLICATION OF INFORMATION TECHNOLOGY ARE EVER CHANGING.
Words starting with letter 'A' = 4
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