diff --git a/demo.java b/demo.java
index 6cb5a0a..893130d 100644
--- a/demo.java
+++ b/demo.java
@@ -1 +1,10 @@
-demo2 file 
\ No newline at end of file
+class FactorialExample{  
+ public static void main(String args[]){  
+  int i,fact=1;  
+  int number=5;//It is the number to calculate factorial    
+  for(i=1;i<=number;i++){    
+      fact=fact*i;    
+  }    
+  System.out.println("Factorial of "+number+" is: "+fact);    
+ }  
+}  
\ No newline at end of file
diff --git a/hello.java b/hello.java
index d597b00..a7ead57 100644
--- a/hello.java
+++ b/hello.java
@@ -1,7 +1,7 @@
 public class hello {
 
     public static void main(String[] args) {
-        int a=99999900;
+        int a=199999900;
         System.out.println("This was a file for test repo");
         //This line was added by ambika!
     }
diff --git a/sample/hello world.txt b/sample/hello world.txt
new file mode 100644
index 0000000..95d09f2
--- /dev/null
+++ b/sample/hello world.txt	
@@ -0,0 +1 @@
+hello world
\ No newline at end of file