Anúncios
1
1 True/False A class declaration creates an object.
True
False
2
True/False: A constructor is a public class function that is automatically invoked(i.e..called) whenever a class object is created
True
False
3
True/False: A class must have exactly one constructor.
True
False
4
A local variable and a global variable may not have the same name within a program.
False
True
5
A function return data type must be the same as the function parameters.
True
False
6
You must always furnish an argument with a function call.
False
True
7
If a member variable is declared -------. all objects of that class share access to that variable.
default
inline
dynamic
Static
none of these
8
Object composition is useful for creating a ------- relationship between classes.
none of these
conditional
static
friend
has-a
9
True/False: A static member function can be called independently of any object of the class.
True
False
10
True/False: By default, when an object is assigned to another, each member of one object is copied to its counterpart in the other object.
True
False
11
The process of having a class contain an instance of another class is knows as
object composition
object overloading.
dynamic composition
none of these
operator overloading
12
an array can store multiple values, but the values must be
all the same data type
declared at the time the array is created.
constants.
numeric, not characters or strings.
none of these
13
Subscript numbering in C++
can be set at run time.
can begin with a programmer-defined value.
automatically begin with one.
automatically begins with zero.
varies from program to program.
14
True/False: Each individual element of an array can be accessed by the array name and an element number, called a subscript.
True
False
15
True/False: An individual array element can be processed or passed to a function just like a regular C++ variable.
False
True
16
An array can be returned by a function as well as passed to a function
False
True
17
If the score array is defined like this: int scores [ ]= {4, 7, 4, 8, 9,}; what will the following statement display? cout << scores[4];
4
8
7
9
the first four scores
18
To add up all the values in a two-dimensional array it would be best to use
a nested for loop
one sentinel controlled loop
no loop
one for loop
two separate for loops
19
True/False: In C++ if you attempt to store more data in an array than it can hold, the compiler will issue an error.
True
False
20
On each iteration of the following Range-based for loop for (int element : myArray) cout<< element << endl; the variable element holds
an array value
an array subscript.
none of these
an array name
an array location
