solves #2395: Find Subarrays With Equal Sum in java

Author: anishLearnsToCode

Diff for: README.md

@@ -763,7 +763,7 @@
 | 2379 | [Minimum Recolors to Get K Consecutive Black Blocks](https://leetcode.com/problems/minimum-recolors-to-get-k-consecutive-black-blocks)                                 |                                                                         [![Java](assets/java.png)](src/MinimumRecolorsToGetKConsecutiveBlackBlocks.java)                                                                         |                                                                                                                                   |
 | 2383 | [Minimum Hours of Training to Win a Competition](https://leetcode.com/problems/minimum-hours-of-training-to-win-a-competition)                                         |                                                                           [![Java](assets/java.png)](src/MinimumHoursOfTrainingToWinACompetition.java)                                                                           |                                                                                                                                   |
 | 2389 | [Longest Subsequence With Limited Sum](https://leetcode.com/problems/longest-subsequence-with-limited-sum)                                                             |                                                                              [![Java](assets/java.png)](src/LongestSubsequenceWithLimitedSum.java)                                                                               |                                                                                                                                   |
-| 2395 | [Find Subarrays With Equal Sum](https://leetcode.com/problems/find-subarrays-with-equal-sum)                                                                           |                                                                                                                                                                                                                                  |                                                                                                                                   |
+| 2395 | [Find Subarrays With Equal Sum](https://leetcode.com/problems/find-subarrays-with-equal-sum)                                                                           |                                                                                  [![Java](assets/java.png)](src/FindSubarraysWithEqualSum.java)                                                                                  |                                                                                                                                   |
 | 2399 | [Check Distances Between Same Letters](https://leetcode.com/problems/check-distances-between-same-letters)                                                             |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2404 | [Most Frequent Even Element](https://leetcode.com/problems/most-frequent-even-element)                                                                                 |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2409 | [Count Days Spent Together](https://leetcode.com/problems/count-days-spent-together)                                                                                   |                                                                                                                                                                                                                                  |                                                                                                                                   |

Diff for: src/FindSubarraysWithEqualSum.java

@@ -0,0 +1,20 @@
+// https://leetcode.com/problems/find-subarrays-with-equal-sum
+// T: O(N)
+// S: O(N)
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class FindSubarraysWithEqualSum {
+    public boolean findSubarrays(int[] array) {
+        final Set<Integer> subarraySum = new HashSet<>();
+        for (int i = 0 ; i < array.length - 1 ; i++) {
+            int sum = array[i] + array[i + 1];
+            if (subarraySum.contains(sum)) {
+                return true;
+            }
+            subarraySum.add(sum);
+        }
+        return false;
+    }
+}