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You are creating a Motorcycle class which is supposed to inherit from the Vehicle class. Which of the following class declaration statements will accomplish this?
To create a subclass, use the ____ keyword.
Consider the following inheritance hierarchy diagram:
Which of the following statements is correct?
Consider the following inheritance hierarchy diagram:
Which of the following statements is correct?
Insert the missing code in the following code fragment. This fragment is intended to call the Vessel class's method.
public class Vessel
{
. . .
public void setVesselClass(double vesselLength)
{
. . .
}
}
public class SpeedBoat extends Vessel
{
. . .
public SpeedBoat()
{
_______________;
}
}
Insert the missing code in the following code fragment. This fragment is intended to call the Vehicle class's method.
public class Vehicle
{
. . .
public void setVehicleClass(double numberAxles)
{
. . .
}
}
public class Motorcycle extends Vehicle
{
. . .
public Motorcycle()
{
_______________;
}
}
Which of the following statements about inheritance is correct?
You are creating a class inheritance hierarchy about motor vehicles that will contain classes named Vehicle, Auto, and Motorcycle. Which of the following statements is correct?
A class that represents a more specific entity in an inheritance hierarchy is called a/an ____.
A class that represents the most general entity in an inheritance hierarchy is called a/an ____.
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