@@ -0,0 +1,142 @@
+package napadovskiu;%0A%0Apublic class Calculate %7B%0A%09%09public static void main(String%5B%5D args)%7B%0A%09%09%09System.out.println(%22Hello world.%22);%0A%09%09%09%0A%09%09%7D%0A%0A%09%0A%09%0A%7D

add Calculate