When a class declares an entire class as its friend, the friendship status is reciprocal . That is, each class’s member functions have free access to the other’s private members. By default, when an object is assigned to another, each member of one object is copied to its counterpart in the other object.
When a class contains an instance of another class it is known as Group of answer choices?
the Course class has an Instructor object and a TextBook object as member variables. Those objects are used as attributes of the Course object. Making an instance of one class an attribute of another class is called object aggregation .
When a member function is defined outside of the class declaration the function name must be qualified with the?
Whenever the definition of a class member appears outside of the class declaration, the member name must be qualified by the class name using the :: (scope resolution) operator . The following example defines a member function outside of its class declaration.
When a body function member is defined inside a class declaration it is called an function?
This directive is used to create an “include guard” which allows a program to be conditionally compiled. This prevents a header file from accidentally being included more than once. #ifndef. When the body of a member function is defined inside a class declaration is it said to be. inline .
When a class contains an instance of another class it is known as quizlet?
A copy constructor is simply a constructor that accepts an object of the same class as an argument. It is another way of making a copy of an object. Aggregation occurs when an instance of a class is a field in another class. Making an instance of one class a field in another class is called “object aggregation”.
How many constructors can a class have?
8 Answers. Strictly speaking, the JVM classfile format limits the number of methods (including all constructors) for a class to less than 65536. And according to Tom Hawtin, the effective limit is 65527 .
How many default constructors can a class have?
How many default constructors can a class have? b. Only one .
Which of the following will allow you to access a structure members?
Structure members are accessed using dot (.) operator .
What is a class program?
A class program is structured as a set of nested programs (see Figure 20-1). The outermost level of the class program contains the data and behavior for the class itself. It can include one or more methods, each of which is a smaller program containing the code for one method.
What is the term for a member function of a class where the function definition code is in the class declaration?
If a member function is defined inside a class declaration, it is treated as an inline function , and there is no need to qualify the function name with its class name.
When a class object is created this member function is automatically called?
A constructor is a special member function of a class whose purpose is usually to initialize the members of an object. A constructor is a function, and you can define it to do anything you want. However, you do not explicitly call the constructor function. It is automatically called when you declare an object.
What member function is automatically called when an object is destroyed?
A destructor is a member of a function which is automatically called when the class is destroyed.
What are a class’s responsibilities?
What are a class’s responsibilities? A class’s responsibilities are the things that the class is responsible for knowing and the actions that the class is responsible for doing . How do you identify the classes in a problem domain description? Identify nouns in the problem description.
Is a special function that is called whenever a new object is created?
static . This is a special built-in pointer that is available to a class’s member functions. this pointer. This is a special function that is called whenever a new object is created and initialized with another object’s data. copy constructor.
When must an argument be passed to the base class constructor?
When arguments must be passed to the base class constructor, they are passed from the derived class constructor’s header line . A member function of a derived class may not have the same name as a member function of a base class.
When a class contains an object of another class?
Question: 7. When a class contains objects of another class, the relationship is called a whole-part relationship or composition . The relationship created is also called a has-a relationship.
