When an array is passed to a function what exactly is passed.
A. The values of the array
B. The address of the starting variable in the array.
C. The addresses of the elements in the array
D. None
Compiler recognizes the function as pure virtual function if
A. The function if equated to 0.
B. The function has no body
C. If it is declared with the keyword virtual
D. None
What is the function of shell?
A. Interpreter
B. command interpreter
C. interface
D. none of these
to access static members
Latest Answer : In oops Static functions let u to invoke it with out any object of a class , instead u have to use the class name to invoke it... main() { class_name::static_fn_name(); } ...
7
Latest Answer : its 7, because even though its only assignment, the control enters the if block, though its assignment its not a false stmt, so once control enters the if block i=7, so return value is 7 and not 6. :) ...
The operation to be performed on a stack using a linked list can be realized using the function
A. delete front, insert rear
B. insert front, delete rear
C. delete front, insert front
D. delete rear, insert rear
If function t is called what is printed void r(int x ,int y, int &z)
{
cout <<"r:x="<
If a shortcut for closing a program is given as Ctrl+x and is placed in the file menu of the window what would happen?
A. shortcut is placed in the file menu
B. no action
C. Ctrl+x is placed at close
D. x is underlined with Ctrl placed at the close
What action does a typical user defined signal handler functions perform?
C++ Pure Virtual Function and Base Class | |
C Pure Virtual Function and Virtual Base Class In this C tutorial you will learn about pure virtual function declaration of pure virtual function and virtual base class virtual base class and how to implement a virtual base class explained with examples mosgoogle center What is Pure Virtual Function
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C++ Function Passing Types | |
C Function Passing Types In this C tutorial you will learn about function passing types two types of arguments passing in functions passed by value and passed by reference are discussed here mosgoogle center The arguments passed to a function can be performed in two ways Passed
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What is DECODE function used for? | |
DECODE is used to decode a CHAR or VARCHAR2 or NUMBER into any of several different character strings or numbers based on value. That is DECODE does a value-by-value substitution. For every value that is given in the DECODE function it makes an if then check and matches the value. The general format
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printf() Function Return Value | |
What is the return value from printf() function?
printf function always returns the number of characters printed. Let us understand this with an example:
main()
{
int a=10;
printf("%d",printf("%d %d %d", a,a,a));
}
In this above program the inner printf i
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How is the main() function declared? | |
The declaration of main can be done as
int main()
One more declaration that can be taken by main is command line arguments form
int main(int argc, char *argv[])
or this can also be written as
int main(argc, argv)
int argc;
char *argv[];
NOTE: It is not possible for one to declare the main
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How does the function call within function get evaluated? | |
Whenever we have more than one function which is called for a finite number of times then such a function gets evaluated from inside out.
Let us understand this concept with an example.
For instance consider a function sample called within it 4 times as given in program below:
main()
{
int a=50;
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What is the default return value of a function? | |
The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function.
When a programmer wants other than integer values to be returned from function then it is essential that the pro
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What happens when a variable is not declared in function definition? | |
Generally in C program the function definition and calling takes the form as given below:
main()
{
int x,y,z;
z=sample(x,y);
printf(“%d”,z);
}
sample(x1,y1)
int x1,y1;
{
int z1;
z1= x1 - y1;
return(z1);
}
Here what happens is the values x, y gets passed to x1,y1
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