C Programming Operators | Operators In C Language | C Programming Operators In Hindi

C Programming Operators

An operator is  a symbol that operates on a value or  a variable.

 For example + is an operator to perform addition.

Fig: Operators In C 

C has a wide range of operators to perform  various operations.

    1.    Arithmetical Operator

    2.    Relation Operator  

    3.    Increment / Decrement Operator

    4.    Logical Operation

    5.    Sizeof Operator

   6.    Assignment Operator 

   7.    Comma operator

  

    1.    Arithmetical Operator

An arithmetical operator perform mathematical operations such as  addition, subtraction, multiplication, division etc on a numerical values(constants and variables).

Example:

                              I.            a+b=addition

                           II.            a-b=subtraction

                       III.            a*b=multiplication

                       IV.            a/b=division

                          V.            a%b=modulo division

Program of Arithmetical Operator

#include<stdio.h>

int main()

{

int a=9,b=4,c;

c=a+b;

printf(“a+b=%d \n”,c);

c=a-b;

 printf(“a-b=%d \n”,c);

c=a*b;

printf(“a*b=%d \n”,c);

c=a/b;

printf(“a/b=%d \n”,c);

c=a%b;

printf(“Reminder when a divided by b=%d \n”,c);

return 0;

}

Output:

a+b=13

a-b=5

a*b=36

a/b=2

Remainder of a divided by b=1

   2.    Relational Operator

A relational operator check the relationship between two operands. If the relation is true, it return 1; if the relation is false, it returns value 0.

Example:

                  I.            ==    Equal to                           5==3 is evaluated to 0

               II.            >     greater than                       5>3 is evaluated to 1

           III.            <      less than                            5<3 is evaluated to 0

           IV.            !=   Not equal to                         5!=3 is evaluated to 1

              V.            >=  greater than or equal to         5==3 is evaluated to 1

           VI.            <= less than or equal to                5==3 is evaluated to 0

Program of Relational Operator

#include<stdio.h>

int main()

{

int   a=5, b=5,c=10;

printf(“%d==%d is %d \n”,  a,   b,  a==b);

printf(“%d==%d is %d \n”,  a,   c,  a==c);

printf(“%d>%d is %d \n”,  a,   b,  a>b);

printf(“%d>%d is %d \n”,  a,   c,  a>c);

printf(“%d<%d is %d \n”,  a,   b,  a<b);

printf(“%d<%d is %d \n”,  a,   c,  a<c);

printf(“%d!=%d is %d \n”,  a,   b,  a!=b);

printf(“%d!=%d is %d \n”,  a,   c,  a!=c);

printf(“%d>=%d is %d \n”,  a,   b,  a>=b);

printf(“%d>=%d is %d \n”,  a,   c,  a>=c);

printf(“%d<=%d is %d \n”,  a,   b,  a<=b);

printf(“%d<=%d is %d \n”,  a,   c,  a<=c);

Output:

5==5 is 1

5==10 is 0

5>5 is 0

5>10 is 0

5<5 is 0

5<10 is 1

5 !=5 is 0

5 !=10 is 1

5>=5 is 1

5>=10 is 0

5<=5 is 1

5<=10 is 1

    3.    Increment / Decrement  Operators

C programming has two operators increment ++ and decrement – to change the value of and operand by 1.

 Increment ++ increase the value by 1 when decrement -- decrease the value by 1.

These two operators are unary operators, meaning they only operate on a single value.

Program of Increment / Decrement Operator

#include<stdio.h>

int main()

{

int  a=10,b=100;

printf(“++a=%d \n”,++a);

printf(“--b =%d \n”,--b);

return0;

}

Output:

++a=11

--b=99

 4.Logical Operator

An expression containing logical operator return either 0 or 1 depending upon whether expression result true or false.

Example:

      I.            &&    AND

   II.            ||         OR

III.            !          NOT

Program of  Logical Operator

#include<stdio.h>

int main()

{

int   a=5,  b=5,  c=10,  result;

result=(a==b)&&(c>b);

printf(“(a==b)&&(c>b) is %d \n “, result);

result=(a==b)&&(c<b);

printf(“(a==b)&&(c<b) is %d \n “, result);

result=(a==b) || (c<b);

printf(“(a==b) || (c<b) is %d \n “, result);

result=(a !=b) || (c<b);

printf(“(a!=b) || (c<b) is %d \n “, result);

result=!(a!=b);

printf(“!(a==b) is %d \n”,result);

result=!(a==b);

printf(“!(a==b) is %d \n”,result);

return 0;

}

Output:

(a==b) && (c>b) is 1

(a==b) &&(c<b) is 0

(a==b) || (c<b) is 1

(a!=b) || (c<b) is 0

!(a!=b) is 1

!(a==b) is 0

5.Sizeof Operator

The sizeof is a unary operator that return the size of data.

Program of Sizeof Operator

#include<stdio.h>

int main()

{

int   a;

float  b;

double  c;

char  d;

printf(“size of int=%lu byte\n”,sizeof(a));

printf(“size of float=%lu byte\n”,sizeof(b));

printf(“size of double=%lu byte\n”,sizeof(c));

printf(“size of char=%lu byte\n”,sizeof(d));

return 0;

}

Output:

Size of int=4 byte

Size of float=4 byte

Size of  double=8 byte

Size of  char=1 byte

6. Assignment Operator

An assignment operator is used for assigning a value to a variable. The most common assignment operator is =.

Example:

      I.            =             a=b                        a=b

   II.            +=           a+=b                     a= a+b

III.            -=           a-=b                        a=a-b

IV.            *=           a*=b                       a=a*b

  V.            /=             a/=b                       a=a/b

VI.            %=           a%=b                     a=a%b

Program of Assignment Operator

#include<stdio.h>

int main()

{

int  a=5,  c;

c=a;

printf(“c=%d\n”,c);

c  +=a;

printf(“c=%d\n”,c);

c  -=a;

printf(“c=%d\n”,c);

c *=a;

printf(“c=%d\n”,c);

c  /=a;

printf(“c=%d\n”,c);

c %=a;

printf(“c=%d\n”,c);

return 0;

}

Output:

C=5

C=10

C=5

C=25

C=5

C=0

    8.    Comma Operator

Comma operator are used to link related expression together.

For Example:

int  a,  c=5,  d;