Merge pull request neetcode-gh#3029 from benmak11/mono

Create 0896-monotonic-array.java

Author: MHamiid

java/0896-monotonic-array.java

@@ -0,0 +1,14 @@
+class Solution {
+    public boolean isMonotonic(int[] nums) {
+        boolean inc = true, dec = true;
+
+        for (int i = 0; i < nums.length - 1; i++) {
+            if (nums[i] > nums[i + 1])
+                inc = false;
+            if (nums[i] < nums[i + 1])
+                dec = false;
+        }
+
+        return inc || dec;
+    }
+}