March 2018
Beginner to intermediate
656 pages
20h 9m
English
Comments can be added in the Solidity source code file in a manner similar to C-language. Multiple line comments are enclosed in /* and */, whereas single line comments start with //.
An example Solidity program is as follows, showing the use of pragma, import, and comments:

This completes a brief introduction to the Solidity language. The language is very rich and under constant improvement. Detailed documentation and coding guidelines are available online at http://solidity.readthedocs.io/en/latest/.