What is the Value types ? And differences between the Value type's and DataTypes?

Question

Plz answer to my question

Answer 1

Variable is a name of memory location.
three types : local, instance and static.
two types of datatypes :
primitive and non-primitive.

Answer 2

class A{
int data=50;//instance variable
static int m=100;//static variable
void method()
{ int n=90;//localvariable
}
}

Answer 3

primitive dataype:
Boolean and numerals
non primitive :
string, array, etc

Answer 4

What does value type means ? Are value type and data type refers the same ?