cout with Insertion Operator
The "c"
in cout refers to "character"
and "out"
means "output"
. Hence cout means "character output"
. The cout object is used along with the insertion operator << in order to display a stream of characters.
The cout object is used along with the insertion operator << in order to display a stream of characters. For example,
#include <iostream>
using namespace std;
int main()
{
int var1 = 25, var2 = 50;
cout << var1;
cout << "Some String";
cout << var2;
The<<
operator can be used more than once with a combination of variables, strings, and manipulators.
cout << var1 << "Some String" << var2 << endl;
cout with Member Functions
he cout object can also be used with other member functions such as put(), write(), etc. Some of the commonly used member functions are:
cout.put(char &ch):
Displays the character stored bych.
cout.write(char *str, int n)
: Displays the firstn
character reading fromstr
.cout.setf(option)
: Sets a given option. Commonly used options areleft
,right
,scientific
,fixed
, etc.cout.unsetf(option)
: Unsets a given option.cout.precision(int n)
: Sets the decimal precision ton
while displaying floating-point values. Same ascout << setprecision(n)
.
Top comments (0)