Rename year directories to allow natural ordering

year2/semester2/CT2109/Assignments/Assignment-03/code/ReverseVSOriginal.java

@@ -0,0 +1,21 @@
+// class to implement Method 3 
+public class ReverseVSOriginal implements PalindromeChecker {
+    // method 1 - reversed order String vs original String 
+    @Override
+    public boolean checkPalindrome(String str) {
+        String reversedStr = "";    NewPalindrome.operations[0]++;
+
+        // looping through each character in the String, backwards
+        // incrementing operations counter by 2, 1 for initialisating i, 1 for getting str.length()
+        NewPalindrome.operations[0] += 1 + 1;
+        for (int i = str.length(); i > 0; i--) {
+            NewPalindrome.operations[0] += 1 + 1;           // for loop condition check & incrementing i
+
+            reversedStr += str.charAt(i-1); NewPalindrome.operations[0] += 1 + 1;
+        }
+
+        // returning true if the Strings are equal, false if not
+        NewPalindrome.operations[0] += str.length();    // the equals method must loop through each character of the String to check that they are equal so it is O(n)
+        return str.equals(reversedStr);
+    }
+}