@@ -0,0 +1,131 @@
+package java_ex;%0A%0Apublic class Ex_hello_world %7B%0A%09public static void main(String%5B%5D args)%7B%0A%09%09System.out.println(%22hello world%22);%0A%09%7D%0A%7D%0A

hello world