A good answer might be:

(Review:) In Java, a piece of data either is of a primitive data type or is an object data type.

Primitive Data Types and Classes

Java has very many data types built into it, and you (as a programmer) can create as many more as you want. However, other than the primitive data types, all the other data in a Java program will be represented as an object. So there is a fundamental split in the data a Java program deals with:

+------------------------+----------------------+
|                        |                      |
|  Primitive data        |       Objects        |
|                        |                      |
+------------------------+----------------------+
                     All Data

Every object in Java is an instance of a class. (In other words: the data type of an object is a class.)

QUESTION 2:

(More Review:) In the following table decide on the classification for each data type:

Data Type	Primitive	Class
int
String
long
double
Applet
boolean
Graphics

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