help me understand this code in c#

Question

Could you help me understand this code :
int x = 1;
while (x++ < 5)
{
if (x % 2 == 0)
x += 2;
}
// output
2
-------------------------------
and what different between
while(++num < 6) and while(num++ < 6)

Answer 1

Hi,
the thing with "++num" and "num++" is called pre and post increment.
Pre increment(++num) means the value of num is incremented by 1 (num + 1) BEFORE the statement is evaluated.
Post increment(num++) means the value of num is incremented AFTER the statement.