Question

Java Letter Counter:

Write a program that asks the user to enter a string, and then asks the user to enter a character. The program should count and display the number of times that the specified character appears in the string.

Must use a do while loop and a counter!!!!

Answer 1

import java.util.Scanner;

public class CountCharacters {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter a sentence: ");
        String sentence = in.nextLine();
        System.out.print("Enter a character: ");
        char ch = in.next().charAt(0);

        int count = 0, i = 0;
        do {
            if (sentence.charAt(i) == ch)
                ++count;
            i++;
        } while (i < sentence.length());

        System.out.println("Count of '" + ch + "' in \"" + sentence + "\" is " + count);
    }
}