| Java source code | is a subtopic of The Basics of Java |  |
| is interpreted |  |
| is stored in files ending with the .java suffix |  |
| is a kind of source code |  |
| must be placed inside a class |  |
| source code | cannot always be made completely obvious without comments |  |
| has part comment |  |
| has part line of code |  |
| should be written in lines no longer than 80 characters so that readers do not have to scroll right, and so that the code always prints correctly |  |
| should consist of between about 25% and 50% comments |  |
| should use consistent layout style |  |