Operator in C
Operator in C:-
Operator in C :- 1) Precedence and associativity of an operator only implemented if it is represented in INFIX notation.
Precedence decides which operation will be performed first.
Associativity decides the order of evaluation ( left to right or right to left) if more than one operator enjoy the same precedence.
The operator which requires three operands that are called ternary operator.
? : is a conditional ternary operator.
Associativity of a comma ( , ) operator is left to right.
# is a string forming operator that convert a non-string data to string and used only in preprocessor directives.
There is no operator in C to calculate the rise of a number.
Bitwise operators only work in integral type but do not work in float type.
Return value of relational and logical operators is 0 or 1.
x++, Here Microprocessor does both read and write operation.
1st highest precedence:-
()
[] Left to Right
.
->
2nd highest precedence:-
++
—
! Right to Left
*
Size of()
Type
3rd highest precedence:-
*
/ Left to Right
%
4th highest precedence:-
+
– Left to Right
5th highest precedence:-
>>
<< Left to Right
6th highest precedence:-
>
<
>= Left to Right
<=
7th highest precedence:-
==
!= Left to Right
8th highest precedence:-
Bitwise &
9th highest precedence:-
^ Left to Right
10th highest precedence:-
| Left to Right
11th highest precedence:-
|| Left to Right
12th highest precedence:-
&& (Logical AND) Left to Right
13th highest precedence:-
? (conditional) Right to Left
14th highest precedence:-
+=
-=
/=
*=
>>= Right to Left
<<=
&=
^=
|=
=
15th highest precedence:-
, Left to Right
It has no precedence and n
# string forming
## merging
| Type of Operator | Symbolic representation |
| Arithmetic operators | +, -, *, /, % |
| Relational operators | >, <, ==, >=, <=, != |
| Logical operators | &&, ||, != |
| Increment and decrement operator | ++ and — |
| Assignment operator | = |
| Bitwise operator | &, |, ^, >>, <<, ~ |
| Comma operator | , |
| Conditional operator | ?: |
Example:-
| SLNO | Questions | Output | |
| 1 |
| 5 | |
| 2 |
| do or die | |
| 3 |
| 31 11 | |
| 4 | main() { int k=1==8>3; printf(“%d”,k); } | 1 | |
| 5 | main() { int i=-1, j=-1, k=0, l=2, m; m = i++ && j++ && k++ || l++; printf(“%d%d%d%d%d”,i, j, k, l, m); } | 0 0 1 3 1 | |
| 6 | int main() { int x = 10, y = 20; if(!(!x) && x) printf(“x = %d\n”, x); else printf(“y = %d\n”, y); return 0; }
| X=10 | |
| 7 | main() { int y,x=10; y = x++ <<2 <=5; printf(“%d”,y); } | 0 | |
| 8 | main() { int x[5]={1,2,3,4,5}; int i=1; int k=5*x[–i] + 5*9+(8/i); printf(“%d”,k); } | Divide by zero (floating point exception) |
Also Read:- What is C
Also Read:- Datatype in C
