Programmin'

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Which of the following statements correctly instantiates a House object if the House class contains a single constructor with the declaration House(int bedrooms, double price)?

Two of these

A collection of methods that can be used by any class, as long as the class provides a definition to override the collection's abstract definitions, is ________________________.

an interface

When you use an instance variable within a class's nonstatic methods, you ________________________ explicitly refer to the method's this reference.

can

A class header or class definition can contain all of the following except ________________________.

initial field values

An object is a(n) ________________________ of a class.

instantiation

A this reference is ________________________.

implicitly passed to nonstatic methods

Assume that you have created a class named Chair with a constructor defined as Chair(int height). Which of the following overloaded constructors could coexist with the Chair constructor without ambiguity?

Chair(int height, int legs)

Assume that you have created a class named MyClass. The header of the MyClass constructor can be ________________________.

Either of these can be the constructor header.

Assume that you have created a class named MyClass. The header of the MyClass constructor can be ________________________.

Neither of these can be the constructor header.

Assume that you have created a class named TermPaper that contains a character field named letterGrade. You also have created a property for the field. Which of the following cannot be true?

The property name is letterGrade.

You explicitly call a destructor ________________________.

You cannot explicitly call a destructor.

In a program that creates five object instances of a class, the constructor executes ____________ time(s) and the destructor executes ________________________ time(s).

five; five

A class's default constructor ________________________.

is both of these

Suppose that you declare a class named Furniture that contains a string field named woodType and a conventionally named property with a get accessor. When you declare an array of 200 Furniture objects named myChairs, which of the following accesses the last Furniture object's wood type?

myChairs[199].WoodType()

Instance methods that belong to individual objects are ________________________ static methods.

never

To allocate memory for an object instantiation, you must use the ________________________ operator.

new

Most fields in a class are created with the ________________________ modifier.

private

Assume that you have created a class named DemoCar. Within the Main() method of this class, you instantiate a Car object named myCar and the following statement executes correctly:WriteLine("The Car gets {0} miles per gallon", myCar.ComputeMpg());Within the Car class, the ComputeMpg() method can be ________________________.

private and static

Most methods in a class are created with the ________________________ modifier.

public

When you create a class and want to include the capability to compare its objects so they can use the Array.Sort() or Array.BinarySearch() method, you must ________________________.

write a CompareTo() method for the class


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