If Statement

What is an If Statement in C#?

Definition and meaning of If Statement

An if Statement, in C#, is a Programming Construct in C# used to selectively execute Code statements based on the end result of comparing a Boolean Expression. The Boolean Expression need to return both a true or false value.

The if statement is used as a manipulate Declaration to department to special sections of code depending on the result of the Boolean conditional expression. The expression is stated inside parentheses and evaLuated in the course of execution. If the expression consequences in a true cost, the code following the if assertion is accomplished. Otherwise, the code following an optional “else” assertion is done. If there may be no else declaration, execution maintains with the code after the if Block.

The if declaration offers a choice-making capability through which one piece of code is carried out as opposed to the alternative primarily based on one or more exact conditions.

What Does If Statement Mean?

Multiple situations can be blended within the Boolean expression to be evaluated inside the if announcement by using the use of) and/or the AND Operator (&&). The different produce more efficient code than the alternative normal ones because the whole expression does not always need to be evaluated. As a end result, they may be called short-Circuit Operators.

For Instance, an if declaration can be used to test if a individual enter to this sySTEM is an alphabetical, numeric, or unique man or woman.

In contrast to languages like C or C , wherein a end result of 0 is taken into consideration to be a fake price and a Variety of aside from zero is considered to be true, C# expects outcomes as Boolean values (genuine or fake) simplest. Hence, for numeric conditions such as Variable not same to 0, the expression has to be explicitly written for that condition and not just evaluated with the quantity itself located within parentheses.

Although the transfer assemble paperwork an alternative to the if announcement and may provide better overall perFormance and clearer code, it may best be used to check expressions towards steady values. The if announcement can be cHanged with a Ternary operator whilst a situation is evaluated. The end result of the evaluation is taken into consideration for assigning a variable to a cost.

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