variable name

Should not start with an underscore (_) and ($) Use camelCase Should have the meaning full name Common names for temporary variables are I,j,k,m,n for integers and c,d,e for chars

constant naming

Should not start with an underscore and $ Use UPPER_CASE Separate by _

Avoid hard coding

Don’t Hard code any data/value within your code If it’s a text or numeric value that needs to be used in your application then convert that into constant