Reverse Integer Problem

Author: spdpiyush

LeetCode/General/ReverseInteger.java

@@ -0,0 +1,30 @@
+/**
+ * @author : Piyush Kumar
+ * Problem Link : https://leetcode.com/problems/reverse-integer/
+ */
+class Solution {
+    public int reverse(int x) {
+       boolean isNegative = false;
+        if (x < 0) {
+            isNegative = true;
+            x *= -1;
+        }
+        long reverseNumber = 0l;
+        while (x > 0) {
+            reverseNumber = (reverseNumber * 10) + (x % 10);
+            x /= 10;
+        }
+        if (!isNegative) {
+            if (reverseNumber > Integer.MAX_VALUE) {
+                return 0;
+            }
+            return (int) reverseNumber;
+        }else {
+            reverseNumber = (-1) * reverseNumber;
+            if (reverseNumber < Integer.MIN_VALUE) {
+                return 0;
+            }
+            return (int) reverseNumber;
+        } 
+    }
+}