how to add multiple if C# code example

Example: multiple if statements c#

//the same rules that are in math, applies also in programming - 
 //the computer checks the statements surrounded with parentheses first
  //just like you do calculations with parentheses first :)
if((a == 0 || b == 0) && (x == 0 || y == 0))
{
  //if one of a or b equals 0 AND one of x or y equals 0 then this runs
}