The Conditional operator is used to make a decision within an expression, as in
int a; // ...code that calculates 'a' string s = a ? "True" : "False";which is basically the same as
int a; string s; // ...code that calculates 'a' if (a) s = "True"; else s = "False";but the advantage of the conditional operator is that it can be used in an expression.
The Comma operator is used to evaluate a sequence of expressions from left to right, using the type and value of the right operand as the result.
Note that arguments in a function call as well as multiple variable declarations also use commas as delimiters, but in that case this is not a comma operator!
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