5.Consider the following code snippet: public class Vehicle { . . . public void

Question

5.Consider the following code snippet:
public class Vehicle
{
. . .
public void setVehicleClass(double numberAxles)
{
. . .
}
}
public class Auto extends Vehicle
{
. . .
private void setVehicleClass(double numberAxles)
{
. . .
}
}
What is wrong with this code?
Answer

a.The
extends
reserved word should be replaced with the
implements
reserved word.
b.
A subclass can only override the constructor of its superclass.
c.
A subclass cannot override a
pubic
method by making it
private
.
d. There is nothing wrong with this code.

Explanation / Answer

c. A subclass cannot override a pubic method by making it private Once a superclass declares a method as public, the subclasses may not reduce the visibility to private.

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