Update README.md

README.md

@@ -16,12 +16,20 @@
 * Programming Languages
     - low level -> abstract
     - C Hello World, [C Standard Libraries](https://en.wikipedia.org/wiki/C_standard_library)
-```bash
-    gcc -o hello_world hello_world.c
-    ./hello_world
-```
+        ```
+            gcc -o hello_world hello_world.c
+            ./hello_world
+        ```
     - Javascript Hello World
+        ```
+            javac HelloWorld.java
+            java HelloWorld
+        ```
     - NodeJS Hello World
+        ```
+            node hello_world_node.js
+            # and then visit in a browser http://localhost:8081
+        ```
     - Debugging/Testing
 
 * Programming Embedded Systems