Question 1

strcmpfirst,second)returns

Accepted Answer

A) 0 if first  second,<0 otherwise 
A) 0 if first  second,<0 otherwise

Question 2

If the name of a file to open is in the string variable name fileName,which of the following will correctly open the file for output?

Accepted Answer

A) out_file.openfileName); 
B) out_file.open"fileName"); 
C) fileName.openoutfile); 
D) out_file.openfileName.c_str)); 
A) out_file.openfileName); 
B) out_file.open"fileName"); 
C) fileName.openoutfile); 
D) out_file.openfileName.c_str));

Question 3

How can you assign the value "toaster" to a c-string name str of size 10?

Accepted Answer

A) str="toaster; 
B) str=toaster; 
C) strcpystr,"toaster"); 
D) str.strcpy"toaster"); 
A) str="toaster; 
B) str=toaster; 
C) strcpystr,"toaster"); 
D) str.strcpy"toaster");

Question 4

The character '\0' is called the __________ character.

Accepted Answer

The answer of The character '\0' is called the __________...

Question 5

A vector v will automatically increase the allocated size when more than v.size )elements are inserted with v.push_back newElement).

Accepted Answer

A) True 
 B)False

Question 6

The declaration of an STL vector doubleVec that can hold values of type double,one writes ______________.

Accepted Answer

vector<

Question 7

All c-strings must be terminated by ________

Accepted Answer

The answer of All c-strings must be terminated by ________...

Question 8

The notation vector<Base_Type> means that the vector is

Accepted Answer

A) an array 
B) a template class 
C) primitive data type 
D) all of the above 
A) an array 
B) a template class 
C) primitive data type 
D) all of the above

Question 9

What is the difference between strcat and strncat?

Accepted Answer

strncat will concate

Question 10

Given the following code,what is the correct statement to insert the string str2 into str1,directly after the 'd'?
String str1="abcdefg";
String str2="ABCDE";

Accepted Answer

A) str1.insert4,str2); 
B) str2.insert4,str1); 
C) insertstr1,4)=str2; 
D) insertstr2,4)=str1; 
A) str1.insert4,str2); 
B) str2.insert4,str1); 
C) insertstr1,4)=str2; 
D) insertstr2,4)=str1;

Question 11

If the capacity of a vector named names is 20 and the size of names is 19,which of the following statements are legal?

Accepted Answer

A) names.push_back"myName"); 
B) names[18]="myNmae"; 
C) all of the above 
D) none of the above 
A) names.push_back"myName"); 
B) names[18]="myNmae"; 
C) all of the above 
D) none of the above

Question 12

What is the value of numbers.size)after the following code?
Vector<float> numbers;
Numbers.reserve100)

Accepted Answer

A) 0 
B) 10 
C) 100 
D) unknown 
A) 0 
B) 10 
C) 100 
D) unknown

Question 13

You can explicitly use the vector member function resize to increase the capacity of a vector.

Accepted Answer

A) True 
 B)False

Question 14

What is wrong with the following attempted c-string declaration and initialization?
Char str1[5]={'a','b','c'};

Accepted Answer

A) There are only 3 values in the braces 
B) The single quotes should be double quotes 
C) The values do not constitute a c-string 
D) nothing 
A) There are only 3 values in the braces 
B) The single quotes should be double quotes 
C) The values do not constitute a c-string 
D) nothing

Question 15

When a vector is assigned to another vector

Accepted Answer

A) only the location of the vector is copied 
B) all the values in the vector are copied 
C) if there is not enough room in the left-hand vector,then not all the values from the right side are copied 
D) none of the above 
A) only the location of the vector is copied 
B) all the values in the vector are copied 
C) if there is not enough room in the left-hand vector,then not all the values from the right side are copied 
D) none of the above

Question 16

Vector assignment is well behaved.

Accepted Answer

A) True 
 B)False

Question 17

To add an element to a vector of integers named numbers at the next available position in the vector,you would use:

Accepted Answer

A) numbers[numbers.size)+1] = newValue; 
B) numbers = newValue; 
C) numbers.pushBacknewValue); 
D) numbers.push_backnewValue); 
A) numbers[numbers.size)+1] = newValue; 
B) numbers = newValue; 
C) numbers.pushBacknewValue); 
D) numbers.push_backnewValue);

Question 18

Vectors can have any type as the base type

Accepted Answer

A) True 
 B)False

Question 19

Which assignment statements will copy the value " toaster" into a string variable str1)?

Accepted Answer

A) strcpystr1,"toaster"); 
B) str1 = "toaster"; 
C) str1 = toaster; 
D) str1 += toaster; 
A) strcpystr1,"toaster"); 
B) str1 = "toaster"; 
C) str1 = toaster; 
D) str1 += toaster;

Question 20

If a vector named numbers has 20 elements in it,what is the result of executing the following statement?
Numbers.resize10);

Accepted Answer

A) no change 
B) the first 10 elements are removed 
C) the last 10 elements are removed 
D) this causes a run-time error 
A) no change 
B) the first 10 elements are removed 
C) the last 10 elements are removed 
D) this causes a run-time error

strcmpfirst,second)returns

If the name of a file to open is in the string variable name fileName,which of the following will correctly open the file for output?

How can you assign the value "toaster" to a c-string name str of size 10?

The character '\0' is called the __________ character.

A vector v will automatically increase the allocated size when more than v.size )elements are inserted with v.push_back newElement).

The declaration of an STL vector doubleVec that can hold values of type double,one writes ______________.

All c-strings must be terminated by ________

The notation vector<Base_Type> means that the vector is

What is the difference between strcat and strncat?

Given the following code,what is the correct statement to insert the string str2 into str1,directly after the 'd'? String str1="abcdefg"; String str2="ABCDE";

If the capacity of a vector named names is 20 and the size of names is 19,which of the following statements are legal?

What is the value of numbers.size)after the following code? Vector<float> numbers; Numbers.reserve100)

You can explicitly use the vector member function resize to increase the capacity of a vector.

What is wrong with the following attempted c-string declaration and initialization? Char str1[5]={'a','b','c'};

When a vector is assigned to another vector

Vector assignment is well behaved.

To add an element to a vector of integers named numbers at the next available position in the vector,you would use:

Vectors can have any type as the base type

Which assignment statements will copy the value " toaster" into a string variable str1)?

If a vector named numbers has 20 elements in it,what is the result of executing the following statement? Numbers.resize10);

Introduction to Computer and C Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Pointers and Dynamic Arrays

Defining Classes

Friends, overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters

Exam 8: Strings and Vectors

strcmpfirst,second)returns

If the name of a file to open is in the string variable name fileName,which of the following will correctly open the file for output?

How can you assign the value "toaster" to a c-string name str of size 10?

The character '\0' is called the __________ character.

A vector v will automatically increase the allocated size when more than v.size )elements are inserted with v.push_back newElement).

The declaration of an STL vector doubleVec that can hold values of type double,one writes ______________.

All c-strings must be terminated by ________

The notation vector<Base_Type> means that the vector is

What is the difference between strcat and strncat?

Given the following code,what is the correct statement to insert the string str2 into str1,directly after the 'd'? String str1="abcdefg"; String str2="ABCDE";

If the capacity of a vector named names is 20 and the size of names is 19,which of the following statements are legal?

What is the value of numbers.size)after the following code? Vector<float> numbers; Numbers.reserve100)

You can explicitly use the vector member function resize to increase the capacity of a vector.

What is wrong with the following attempted c-string declaration and initialization? Char str1[5]={'a','b','c'};

When a vector is assigned to another vector

Vector assignment is well behaved.

To add an element to a vector of integers named numbers at the next available position in the vector,you would use:

Vectors can have any type as the base type

Which assignment statements will copy the value " toaster" into a string variable str1)?

If a vector named numbers has 20 elements in it,what is the result of executing the following statement? Numbers.resize10);

Introduction to Computer and C Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Pointers and Dynamic Arrays

Defining Classes

Friends, overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters