LC#9 checks if given number is Palindrome or not

Author: NirmalSilwal

Leetcode/easy/PalindromeNumber9.java

@@ -0,0 +1,30 @@
+package easy;
+
+public class PalindromeNumber9 {
+
+	public static boolean isPalindrome(int x) {
+		if (x < 0)
+			return false;
+
+		String num = String.valueOf(x);
+
+		int left = 0, right = num.length() - 1;
+
+		while (left < right) {
+			if (num.charAt(left) != num.charAt(right)) {
+				return false;
+			}
+			left++;
+			right--;
+		}
+		return true;
+	}
+
+	public static void main(String[] args) {
+		System.out.println(isPalindrome(121));
+		System.out.println(isPalindrome(-121));
+		System.out.println(isPalindrome(12321));
+		System.out.println(isPalindrome(10));
+
+	}
+}