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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)
{
super(type);
}
}
You have written a program to use these classes, as shown in the following code snippet:
public class VehicleTester
{
public static void main(String[] args)
{
Auto myAuto = new Auto("sedan");
System.out.println("MyAuto type = " + ______);
}
}
Complete the code in this program snippet to correctly display the auto's type.
Consider the following code snippet:
public class Vessel
{
private String manufacturer;
. . .
public void setVesselClass(double engineRPM)
{
. . .
}
}
If a Speedboat class is created as a subclass of the Vessel class, which of the following statements is correct?
Consider the following code snippet:
public class Vehicle
{
private String manufacturer;
. . .
public void setVehicleClass(double numberAxles)
{
. . .
}
}
If a Motorcycle class is created as a subclass of the Vehicle class, which of the following statements is correct?
Which of the following indicates that the Motorcycle class is a subclass of the Vehicle class?
What must a subclass do to modify a private superclass instance variable?
Which of the following indicates that a class named ClassA class is a superclass of the ClassB class?
Which of the following indicates that a class named Class1 is a subclass of a class named Class2?
Which of the following is true regarding subclasses?
You are creating a Motorcycle class that is supposed to be a subclass of the Vehicle class. Which of the following class declaration statements will accomplish this?
You are creating a Motorcycle class which is supposed to be a subclass of the Vehicle class. Which of the following class declaration statements will accomplish this?
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