printf() function in c

In C programming language, printf() function is used to print the "character, string, float, integer, octal and hexadecimal value" onto the output screen(Console).

  We use printf() function with %d format specifier to display the value of an integer variable.

  Similarly %c is used to display character, %f for float variable, %s for string variable, %lf for double and %x for hexadecimal variable.

  To generate a newline,we use "\n" in C printf() statement.

  Note : C language is case sensitive. For example, printf() and scanf() are different from Printf() and Scanf(). All characters in printf() and scanf() functions must be in lower case

Example of using printf() function in c

#include <stdio.h>
int main()
   char ch = 'B';
   char str[20] = "";
   float flt = 10.234;
   int no = 150;
   double dbl = 20.123456;
   printf("Character is %c \n", ch);
   printf("String is %s \n" , str);
   printf("Float value is %f \n", flt);
   printf("Integer value is %d\n" , no);
   printf("Double value is %lf \n", dbl);
   printf("Octal value is %o \n", no);
   printf("Hexadecimal value is %x \n", no);
   return 0;
Character is B
String is
Float value is 10.234000
Integer value is 150
Double value is 20.123456
Octal value is 226
Hexadecimal value is 96

%d got replaced by value of an integer variable (no),

%c got replaced by value of a character variable (ch),

%f got replaced by value of a float variable (flt),

%lf got replaced by value of a double variable (dbl),

%s got replaced by value of a string variable (str),


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