You should always try to write self-documenting code. This can be achieved through good programming style. Write code in such a manner that your classes, methods, and other objects are self-documenting. A new developer should be able to pick your code and not have to be stressed out before understanding what the code does and its internal structure.
Coding elements should be descriptive and meaningful to provide an insight to the reader. In situations where you have to document a method or class to provide further clarity, adopt the Keep It Simple Short (KISS) approach, briefly stating the reasons for a certain decision. Check the following code snippet; nobody wants to have to read two pages of documentation ...
