Merge pull request ephremdeme#81 from Halix267/all-contributors/add-palindrome

Create palindrome_detection.java

Author: ephremdeme

palindrome_detection.java

@@ -0,0 +1,37 @@
+import java.util.*;
+import java.lang.*;
+
+/**
+ * Palindrome
+ */
+public class Palindrome {
+ static boolean isPalindrome(String s) {
+
+ // Left and right pointers pointing to the beginning and the end of the string 
+
+ int left = 0, right = s.length() - 1;
+ 
+ while (left < right) { 
+ 
+ // If there is a mismatch 
+
+ if (s.charAt(left) != s.charAt(right)) 
+ return false; 
+ 
+ // Increment left pointer and decrement right pointer
+ left++; 
+ right--; 
+ } 
+ return true; 
+ }
+
+ public static void main(String[] args) {
+ 
+ Scanner sc = new Scanner(System.in); 
+
+ String str = sc.nextLine(); //Input a string
+ 
+ System.out.println(isPalindrome(str)); // Print whether the input string is palindrome or not
+ 
+ }
+}