diff --git a/insertion sort.txt b/insertion sort.txt
new file mode 100644
index 0000000..a4739e4
--- /dev/null
+++ b/insertion sort.txt	
@@ -0,0 +1,13 @@
+public void insertionsort(int arr[],int size)
+{  int i,key,j;
+for(i=1;i<n;i++)
+{ key=arr[i];
+j=i-1;
+while(j>=0&&arr[j]>key)
+{
+arr[j+1]=arr[j];
+j=j-1;
+}
+arr[j+1]=key;
+}  
+}
\ No newline at end of file