What is primitive variable and non-primitive variable

Question

Every programming languages variable use for storing string data type,integar and float.

Answer 1

primitives are not objects
non..... are object (thus you can call it's methods.and .... like. String name = Ali;
name.length();

Answer 2

A primitive type (or built-in type) are types already defined by who made the language.
Non primitive types (or user-defined type) are known as classes and are made by the programmer that uses the language