varName
In computing, a varname is a label used to reference a storage location in memory. More commonly called a variable name or identifier, it identifies data stored in a program and allows subsequent operations or references. Varname conventions vary by language but share common requirements.
Most languages require the first character to be a letter or underscore; subsequent characters may include
Best practices: choose descriptive names, avoid reserved words, and follow language-specific styles such as snake_case for
Common pitfalls include shadowing a value in an inner scope, accidental collisions, or using overly short or
Examples: Python: count = 5; Java: int count = 5; JavaScript: let count = 5; C: int Count = 5.