solves #2239: Find Closest Number to Zero

 in java

Author: anishLearnsToCode

README.md

@@ -728,7 +728,7 @@
 | 2231 | [Largest Number After Digit Swaps by Parity](https://leetcode.com/problems/largest-number-after-digit-swaps-by-parity)                                                 |                                                                            [![Java](assets/java.png)](src/LargestNumberAfterDigitSwapsByParity.java)                                                                             |                                                                                                                                   |
 | 2235 | [Add Two Integers](https://leetcode.com/problems/add-two-integers)                                                                                                     |                                                                                       [![Java](assets/java.png)](src/AddTwoIntegers.java)                                                                                        |                                                                                                                                   |
 | 2236 | [Root Equals Sum of Children](https://leetcode.com/problems/root-equals-sum-of-children)                                                                               |                                                                                   [![Java](assets/java.png)](src/RootEqualsSumOfChildren.java)                                                                                   |                                                                                                                                   |
-| 2239 | [Find Closest Number to Zero](https://leetcode.com/problems/find-closest-number-to-zero)                                                                               |                                                                                                                                                                                                                                  |                                                                                                                                   |
+| 2239 | [Find Closest Number to Zero](https://leetcode.com/problems/find-closest-number-to-zero)                                                                               |                                                                                   [![Java](assets/java.png)](src/FindClosestNumberToZero.java)                                                                                   |                                                                                                                                   |
 | 2243 | [Calculate Digit Sum of a String](https://leetcode.com/problems/calculate-digit-sum-of-a-string)                                                                       |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2248 | [Intersection of Multiple Arrays](https://leetcode.com/problems/intersection-of-multiple-arrays)                                                                       |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2255 | [Count Prefixes of a Given String](https://leetcode.com/problems/count-prefixes-of-a-given-string)                                                                     |                                                                                                                                                                                                                                  |                                                                                                                                   |

src/FindClosestNumberToZero.java

@@ -0,0 +1,18 @@
+// https://leetcode.com/problems/find-closest-number-to-zero
+// T: O(N)
+// S: O(1)
+
+public class FindClosestNumberToZero {
+    public int findClosestNumber(int[] array) {
+        int nearest = Integer.MAX_VALUE;
+        for (int element : array) {
+            if (Math.abs(element) < Math.abs(nearest)) {
+                nearest = element;
+            } else if (Math.abs(element) == Math.abs(nearest)) {
+                nearest = Math.max(nearest, element);
+            }
+        }
+
+        return nearest;
+    }
+}