For this question, you will be required to refactor a program in Java. Synopsis:

Question

For this question, you will be required to refactor a program in Java.

Synopsis:

Consider the code below.

public class E3RefactorA {

public static void main(String[] args) {

java.util.Scanner input = new java.util.Scanner(System.in);

System.out.print("Enter a string: ");

String s = input.nextLine();

System.out.print("Enter a character: ");

char ch = input.nextLine().charAt(0);

int count = 0;

for (int i = 0; i < s.length(); i++) {

if (s.charAt(i) == ch) {

count++;

}

}

System.out.println(count);

}

}

We want to be able to reuse the code that counts and returns the count of a specific char in a given string. Rewrite the program to include a call to a method countthat returns a count of chars in a given string. The method header to be used is

public static int count(String str, char ch)

Explanation / Answer

import java.util.*;

public class Count_Letter

{

    public static void main(String[] args)
    {
      
        Scanner input = new Scanner (System.in);
        System.out.println("Enter a string: ");
        String str = input.nextLine();

        System.out.println("Enter a character: ");
        char ch = input.nextChar;
        int letterCheck = Count_Letter(str, ch);

        System.out.println("The character " + ch + "appeared" + letterCheck + "times in" + str);
    }

    public static int Count(String str, char ch)
    {
        int Count_Letter = 0;
        for (int i = 0; i < str.length(); i++)
        {
            if (str.charAt(i) == ch)
            {
                Count++;
            }
        }
        return Count;
    }
}

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