Example Code Ch 09-4
Given the following partial class definition:
public class A1
{
public int x;
private int y;
protected int z;
...
}
public class A2 extends A1
{
protected int a;
private int b;
...
}
public class A3 extends A2
{
private int q;
...
}
-Refer to Example Code Ch 09-4: Which of the following lists of instance data are accessible in class A3?
A) x, y, z, a, b, q
B) a, b, q
C) a, q
D) x, z, a, q
E) x, a, q

Question

Quizplus · Accepted Answer

Class A3 has access to all instance data from its parent classes A1 and A2, including x, z, and a. However, it does not have access to private instance data from A2, such as b. Therefore, the correct list is x, z, a, and q.