Difference between Primitive & Non-Primitive Data Structure

Primitive Data Structure	Non-Primitive Data Structure
1. Primitive Data Structure are predefined in the language.	Non-Primitive Data structure are not defined in language and created by the programmer
2. Primitive Data structures will have a certain value.	Non-Primitive Data structure can have NULL value.
3. The size depends upon the type of data structure.	The size of non-primitive data structures are not fixed.
4. The primitive data structure starts with lowercase.	The non primitive data type starts with an uppercase.
5. Can be used to call methods to perform operations	Cannot be used.