palindrome-number solution java

palindrome-number/Solution.java

@@ -0,0 +1,27 @@
+// Accepted
+// Runtime: 7ms
+// Memory Usage: 38.5 MB
+// Submitted: January 15th, 2021
+
+class Solution {
+    public boolean isPalindrome(int x) {
+        if (x < 0)
+            return false;
+        else if (x >= 0 && x <= 9)
+            return true;
+
+        byte[] digits = new byte[((int) Math.log10(x)) + 1];
+        for (int i = 0; i < digits.length; i++) {
+            digits[i] = (byte) (x % 10);
+            x /= 10;
+        }
+        
+        int n = digits.length / 2;
+        for (int i = 0; i < n; i++) {
+            if (digits[i] != digits[digits.length - i - 1])
+                return false;
+        }
+        
+        return true;
+    }
+}