Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

testing-modules/testing-libraries/src/main/java/com/baeldung/mutation/Palindrome.java

@@ -0,0 +1,15 @@
+package com.baeldung.mutation;
+
+public class Palindrome {
+    
+    public boolean isPalindrome(String inputString) {
+        if (inputString.length() == 0) {
+            return true;
+        } else {
+            char firstChar = inputString.charAt(0);
+            char lastChar = inputString.charAt(inputString.length() - 1);
+            String mid = inputString.substring(1, inputString.length() - 1);
+            return (firstChar == lastChar) && isPalindrome(mid);
+        }
+    }   
+}