diff --git a/chapter_1/18SW08.txt b/chapter_1/18SW08.txt
new file mode 100644
index 0000000..95d09f2
--- /dev/null
+++ b/chapter_1/18SW08.txt
@@ -0,0 +1 @@
+hello world
\ No newline at end of file
diff --git a/chapter_1/HelloWorld.java.txt b/chapter_1/HelloWorld.java.txt
index 3987a5c..fd86e93 100644
--- a/chapter_1/HelloWorld.java.txt
+++ b/chapter_1/HelloWorld.java.txt
@@ -1,5 +1,6 @@
 class test{
 public static void main(String arg[]){
 System.out.println("hello");
+System.out.println("hello by sumair");
 }
 }
\ No newline at end of file