difference between & and && in .net?

There's an important difference between the & operator when used with bool operands and the && operator, namely that:

1. In the case of the & operator, both operands are always evaluated.

2. In the case of the && operator, the second operand is only evaluated if the first operand evaluates to 'true'.

For this reason, && is known as a 'short-circuiting' operator because it avoids a potentially unnecessary step and is nearly always preferred in practice.

However, on rare occasions evaluating the second operand may have a side effect which will not take place if the first operand is false. This can occur if the second operand involves a method call or property access.

So, if you're relying on this side effect you should use & rather than && though such programming is generally regarded as poor practice in a high level language such as C#.

Hello myat mon,

& is a bitwise operator where as && is a logical operator.

Bitwise operators can operate on both -Integer & Boolean arguments where as Logical operators can operate only on Boolean arguments.

Hope you got the point.




Mark it as answer if it helps.
Cheers!