43 lines
872 B
Java
43 lines
872 B
Java
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import java.util.Scanner;
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/**
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* @author Kyler Smith, 2017
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*
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* Implementation of a character count.
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* (Slow, could be improved upon, effectively O(n).
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* */
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public class CountChar {
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public static void main(String[] args) {
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Scanner input = new Scanner(System.in);
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System.out.print("Enter your text: ");
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String str = input.nextLine();
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System.out.println("There are " + CountCharacters(str) + " characters.");
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}
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/**
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* @param str: String to count the characters
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*
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* @return int: Number of characters in the passed string
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* */
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public static int CountCharacters(String str) {
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int count = 0;
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if(str.isEmpty() || str == null)
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return -1;
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for(int i = 0; i < str.length(); i++)
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if(!Character.isWhitespace(str.charAt(i)))
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count++;
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return count;
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}
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}
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