Precedence and Associativity | ShreeSanaviAcademy Portal for Students

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Introduction Arithmetic operators Relational Operators Logical Operators Assignment Operator Increment and Decrement Operators Conditional Operators Bitwise Operators Precedence and Associativity

Control Instructions in C if Statement in C if-else Statement Nested if-else statement else if ladder Switch Statements in C

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Dynamic Memory Allocation

Precedence and Associativity

In order to solve complicated expressions, we need Operator Precedence and Associativity of Operators.

Precedence: means the priority of operators

Associativity: indicates in what order operators of equal precedence in an expression are applied

Order

Category

Operator

Operation

Associativity

1

( ) ,[ ]

L → R
Left to Right

2

Unary

!
~
+
-
++
- -
&
*
Size of

Logical negation (NOT)
Bitwise 1’s complement
Unary plus
Unary minus
Pre or post increment
Pre or post decrement
Address
Indirection
Size of operant in bytes

R → L
Right -> Left

4

Multiplication

*
/
%

Multiply
Divide
Modulus

L → R

5

Additive

+
-

Binary Plus
Binary Minus

L → R

6

Shift

<<
>>

Shift Left
Shift Right

L → R

7

Relational

<
<=
>
>=

Less than
Less than or equal to
Greater than
Greater than or equal to

L → R

8

Equality

==
!=

Equal to
Not Equal to

L → R

9

Bitwise AAND

&

Bitwise AND

L → R

10

Bitwise XOR

^

Bitwise XOR

L → R

11

Bitwise OR

|

Bitwise OR

L → R

12

Logical AND

&&

Logical AND

L → R

14

Conditional

? :

Ternary Operator

R → L

15

Assignment

= ,*=
%= ,/=
+= .-=
&=,^=
<<=,>>=

R → L