Merge pull request #1736 from AP-Repositories/patch-19

Create 0009-palindrome-number.java

Author: Ahmad-A0

Diff for: java/0009-palindrome-number.java

@@ -0,0 +1,16 @@
+class Solution {
+    public boolean isPalindrome(int x) {
+        if(x < 0) return false;
+        
+        long div = 1;
+        while(x >= 10 * div)
+            div *= 10;
+        
+        while(x > 0) {
+            if(x / div != x % 10) return false;
+            x = (int)((x % div) / 10);
+            div = div / 100;
+        }
+        return true;
+    }
+}