diff --git a/HelloWorld.java b/HelloWorld.java
new file mode 100644
index 0000000..6bfb23a
--- /dev/null
+++ b/HelloWorld.java
@@ -0,0 +1,5 @@
+ public class HelloWorld {
+     public static void main(String[] args) {
+         System.out.println("Hello world!");
+     }
+ }
\ No newline at end of file