Which one of the following statements regarding C++ class inheritance is FALSE?
a. Inheritance promotes generic design and code reuse.b. Struct cannot be inherited in C++.
c. C++ supports multiple
Latest Answer: a. Inheritance promotes generic design and code reuse. ...
Which one of the statements concerning data encapsulation is FALSE? A. Data encapsulation lets the programmer create an object and then provide an interface that other objects can use to invoke the methods
Latest Answer: E is false, because encapsulation decreases the complexity of the program (encapsulation is to wrap data and associated functions into a single unit called class) ...
Why p++ is faster than p+1?
Latest Answer: p++ is faster because on compilation, it gets translated to three machine
instructions, where as p=p+1 needs four machine instructions. All machine
instructions take the same time.
For p++, the instructions are:
mov ax,
inc ax
mov,
ax
For ...
When we allocates the memory using malloc() and calloc(), it returns pointer pointing to the base address to the allocated memory. But while freeing the memory we call free(pointer) thenHow the operation
Latest Answer: Dynamic memory is allocated on heap. De-allocation is counterpart of the
allocation operation. the task of allocation and De-allocation is handled by the
base/standard libraries. These store information about the allocated memory like
base address ...
What are the advantages of inline functions over macros?
Latest Answer: Inline functions are not always advantageous.They are appropriate when their impact on code size in not adverse i.e. their size is small and they are not called from too many different places.They are suitable when they are in the deepest of the loop ...
What is default parameter? Can a overloaded function have a default parameter?
Latest Answer: The overloads may not always be banned. The compiler could remove the parameter with default values for the overload resolution. e.g. The signature of the fuction after removing the default parameters should not match any other fuction signature.Moreover ...
Write a program that will read in a length in feet and inches and will output the equivalent length in meters and centimeter. Use at least three functions: one for input, one or more for calculating, and
Latest Answer: #include "iostream"using namespace std;struct metric{ int meters; int centimeters;};struct english{ int feet; int inches;};void input( english &value ) { std::cout
What is the concept of file stream in C++? How is a file opened and closed in C++?
What are Default Constructor and Do Nothing Constructor
Latest Answer: Constructor with no arguments or arguments with default value are called default constructor. ...
How will you write object into file using file concepts in C++?
Latest Answer: A function in the class definition can be included which writes to the standard file stream and takes the name of target file as a parameter. Function prototype will be like this:WriteObjectToFile (const char* fileName){ofstream fout(fileName);fout
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