C Programming Language

Comma operator

                  A set of expression separated by comma is a valid constant in the C language. For example i and j are declared by the statements

int i , j;

                In the above declaration, right hand side consists of two expressions separated by comma. The first expression is j=10 and second is j+20. These expressions are evaluated from left to right. ie first the value 10 is assigned to j and then expression j+20 is evaluated so the final value of i will be 30.


Comma Operator
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