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 is true regarding the use of instance data y of class A1?
A) It is accessible in A1, A2, and A3
B) It is accessible in A1 and A2
C) It is accessible only in A1
D) It is accessible only in A3
E) It is accessible to any of the three classes

Question

Quizplus · Accepted Answer

The instance data `y` of class A1 is declared as `private`, which means it is only accessible within class A1 itself. Classes A2 and A3, being subclasses of A1, cannot access `y` directly due to its private access modifier.