Anúncios
1
1 True/False A class declaration creates an object.
False
True
2
True/False: A constructor is a public class function that is automatically invoked(i.e..called) whenever a class object is created
False
True
3
True/False: A class must have exactly one constructor.
False
True
4
A local variable and a global variable may not have the same name within a program.
True
False
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.
True
False
7
If a member variable is declared -------. all objects of that class share access to that variable.
none of these
default
inline
dynamic
Static
8
Object composition is useful for creating a ------- relationship between classes.
has-a
friend
none of these
static
conditional
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.
False
True
11
The process of having a class contain an instance of another class is knows as
dynamic composition
object overloading.
object composition
operator overloading
none of these
12
an array can store multiple values, but the values must be
constants.
declared at the time the array is created.
all the same data type
none of these
numeric, not characters or strings.
13
Subscript numbering in C++
automatically begins with zero.
can begin with a programmer-defined value.
varies from program to program.
can be set at run time.
automatically begin with one.
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.
True
False
16
An array can be returned by a function as well as passed to a function
True
False
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];
9
8
4
the first four scores
7
18
To add up all the values in a two-dimensional array it would be best to use
no loop
two separate for loops
one for loop
one sentinel controlled loop
a nested for loop
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 location
an array value
an array name
an array subscript.
none of these
