Practice $-1,2$ point

An instance variable is the data that is stored for an object. An object may have one or more instance variables. The basic format for defining an instance variable is:

$1$ private dataType varName;

An instance variable is defined as private in order to support encapsulation in a class.

For example, if a Student class needed to store the name of a student, the instance variable definition could be:

JAVA $[?]$

$1$ private String stuName;

If a Student needed to store the age of a student, the instance variable definition could be: