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import java.util.Scanner;

/**

* @author Kyler Smith, 2017

*

* Implementation of a character count.

* (Slow, could be improved upon, effectively O(n).

* */

public class CountChar {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

System.out.print("Enter your text: ");

String str = input.nextLine();

System.out.println("There are " + CountCharacters(str) + " characters.");

}

/**

* @param str: String to count the characters

*

* @return int: Number of characters in the passed string

* */

public static int CountCharacters(String str) {

int count = 0;

if(str == "" || str == null) //Exceptions

{

return 0;

}

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

if(!Character.isWhitespace(str.charAt(i))) {

count++;

}}

return count;

}

}