diff --git a/armstrong  number checking b/armstrong  number checking
new file mode 100644
index 0000000..dcae793
--- /dev/null
+++ b/armstrong  number checking	
@@ -0,0 +1,20 @@
+import java.util.*;
+public class armstrong
+{
+    public static void main()
+    {
+        Scanner sc= new Scanner(System.in);
+        System.out.println("Enter a number");
+        int n=sc.nextInt();
+        int i=0,d=0,r=0;
+        for(i=n; i>0; i=i/10)
+        {
+            d=i%10;
+            r=(d*d*d)+r;
+        }
+        if(r==n)
+        System.out.println("Armstrong number");
+        else 
+        System.out.println("Not a Armstrong number");
+    }
+}