Question

say you have something like:

int num = 0

then you do

if(num > 5 || num < 4)
{
  ...
}

it checks both, but what if you do

if(num < 4 || num > 5)
{
  ...
}

does it only check the 1st statement?
same as:

if(num > 5 && num == 0)
{
  ...
}

it should stop after failing the 1st and… right?

Answer 1

This is called boolean short-circuit evaluation and (although ^{[citation-needed]}) yes, C# and VB.NET have it (thanks @Lasse for the correction).

In C#, || and && are the short-circuited versions of | and &, respectively
.