Example Code Ch 09-4

question 35

Multiple Choice

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

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Definitions:

Conversational Acts

Actions that achieve goals through language.

Language

A system of communication using sounds or symbols that enables us to express our feelings, thoughts, ideas, and experiences.

Gesture

A movement of part of the body, especially a hand or the head, to express an idea or meaning.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed or heard directly, a critical cognitive development milestone in infants.