How to name variables

Question

• What rules do you use to name your variables?
• Where are single letter vars allowed?
• How much info do you put in the name?
• How about for exam

Answer 1

It's pretty much unimportant how you name variables. You really don't need any rules, other than those specified by the language, or at minimum, those enforced by your compiler.

It's considered polite to pick names you think your teammates can figure out, but style rules don't really help with that as much as people think.