Consider the Following Class Hierarchy: Public Class Vehicle

question 15

Multiple Choice

Consider the following class hierarchy: public class Vehicle
{
Private String type;
Public Vehicle(String type)
{
This.type = type;
}
Public String displayInfo()
{
Return type;
}
}
Public class LandVehicle extends Vehicle
{
Public LandVehicle(String type)
{
Super(type) ;
}
}
Public class Auto extends LandVehicle
{
Public Auto(String type)
{
_________;
}
}
Complete the code in the Auto class constructor to store the type data.

• A) super(type);
• B) super(super(type));
• C) super.super(type);
• D) This cannot be done unless the Auto declares an instance variable named type.

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Definitions:

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, will begin to decrease.

Average Total Cost

The total cost of production divided by the quantity of output produced.

Economies of Scale

Enterprises achieve cost benefits from their operation size, resulting in a reduction of cost per output unit as the scale expands.

Average Variable Cost

The total variable costs divided by the quantity of output produced; it fluctuates with production volume.