diff --git a/chapter_1/class 18SW142.java b/chapter_1/class 18SW142.java
new file mode 100644
index 0000000..880f91c
--- /dev/null
+++ b/chapter_1/class 18SW142.java	
@@ -0,0 +1,7 @@
+class 18SW142
+{
+	public static void main(String arsg[])
+	{
+	    System.out.println("Is it Working");
+	}
+}
\ No newline at end of file