diff --git a/Array/MaximumSubarraySum.java b/Array/MaximumSubarraySum.java
new file mode 100644
index 0000000..c861650
--- /dev/null
+++ b/Array/MaximumSubarraySum.java
@@ -0,0 +1,37 @@
+package p1;
+
+import java.util.*;
+public class MaximumSubarraySum {
+    //code to find the maximum sum of a subarray in an array using the kadane's algorithm
+
+    public static void main(String[] args) {
+        Scanner sc=new Scanner(System.in);
+
+        System.out.println("enter the size of array");
+        int size=sc.nextInt();
+        int arr[]=new int[size];
+
+        System.out.println("enter the elements of the array");
+        for(int i=0;i<size;i++)
+            arr[i]=sc.nextInt();
+
+        System.out.println("subarray with maximum sum: "+ kadane(arr));
+    }
+
+    public static int kadane(int arr[]){
+        if(arr==null)
+            return 0;
+
+        int sum=0;
+        int max=arr[0];
+        for(int i=0;i<arr.length;i++){
+            sum+=arr[i];
+            max=Math.max(max,sum);
+            if(sum<0)
+                sum=0;
+        }
+
+        return max;
+    }
+}
+