diff --git a/Leetcode-Easy/1480. Running Sum of 1d Array/RunningSum.java b/Leetcode-Easy/1480. Running Sum of 1d Array/RunningSum.java
new file mode 100644
index 0000000..dfb74c2
--- /dev/null
+++ b/Leetcode-Easy/1480. Running Sum of 1d Array/RunningSum.java	
@@ -0,0 +1,11 @@
+public class RunningSum {
+    public static void main(String[] args) {
+        int[] a = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
+        for (int i = 1; i < a.length; i++) {
+            a[i] = a[i] + a[i - 1];
+        }
+        for (int i = 0; i < a.length; i++)
+            System.out.print(a[i] + " ");
+    }
+
+}