You don't need to comment every line, but add comments to help explain the more complex parts of the program.
A good test of whether you have adequate comments - leave your code for a day or two, then when you come back to it, can you understand it with the comments you have? If not, you need more comments on the parts that are hard to understand.
You don't need to comment every line, but add comments to help explain the more complex parts of the program.
A good test of whether you have adequate comments - leave your code for a day or two, then when you come back to it, can you understand it with the comments you have? If not, you need more comments on the parts that are hard to understand.