Java comment | the purpose of the class, how it should be used, its authors and its history of modification | executeMeToo(); /* This is to be ignored and this too */ | obvious things since they add clutter | to describe the purpose of each class, method and variable along with any difficult-to-understand statements inside methods, and to indicated any changes to the code | the top of each class | between about 20% and 35% of the total length of the code | The Basics of Java | comment | writing the code | '/*' comment '*/' or two slashes '//' indicating that the rest of the line is to be considered a comment | to describe loops and conditional statements inside complex algorithms |