From 0c27e46de32bd97c1c66afcf7502782c90a3ecdf Mon Sep 17 00:00:00 2001
From: "alfred.samanga@gmail.com" <alfred.samanga@gmail.com>
Date: Sun, 18 Aug 2019 20:31:07 +0200
Subject: [PATCH] Changed implementation of the method that manually count
 words in a string for originality.

---
 .../string/wordcount/WordCounter.java         | 25 ++++++++++---------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/java-strings-3/src/main/java/com/baeldung/string/wordcount/WordCounter.java b/java-strings-3/src/main/java/com/baeldung/string/wordcount/WordCounter.java
index 85d0efd242..11c2fc7ae5 100644
--- a/java-strings-3/src/main/java/com/baeldung/string/wordcount/WordCounter.java
+++ b/java-strings-3/src/main/java/com/baeldung/string/wordcount/WordCounter.java
@@ -3,11 +3,14 @@ package com.baeldung.string.wordcount;
 import java.util.StringTokenizer;
 
 public class WordCounter {
+    static final int WORD = 0;
+    static final int SEPARATOR = 1;
+
     public static int countWordsUsingRegex(String arg) {
         if (arg == null) {
             return 0;
         }
-        final String[] words = arg.split("\\pP|\\s+");
+        final String[] words = arg.split("[\\pP\\s]+");
         return words.length;
     }
 
@@ -23,21 +26,19 @@ public class WordCounter {
         if (arg == null) {
             return 0;
         }
-
+        int flag = SEPARATOR;
         int count = 0;
+        int stringLength = arg.length();
+        int characterCounter = 0;
 
-        boolean isAWord = false;
-        int argEnd = arg.length() - 1;
-
-        for (int i = 0; i < arg.length(); i++) {
-            if (Character.isLetter(arg.charAt(i)) && i != argEnd) {
-                isAWord = true;
-            } else if (!Character.isLetter(arg.charAt(i)) && isAWord) {
-                count++;
-                isAWord = false;
-            } else if (Character.isLetter(arg.charAt(i)) && i == argEnd) {
+        while (characterCounter < stringLength) {
+            if (Character.isLetter(arg.charAt(characterCounter)) && flag == SEPARATOR) {
+                flag = WORD;
                 count++;
+            } else if (!Character.isLetter(arg.charAt(characterCounter))) {
+                flag = SEPARATOR;
             }
+            characterCounter++;
         }
         return count;
     }