java for循环预增量vs后增量

Question

  

可能重复：
  Why doesn’t changing the pre to the post increment at the iteration part of a for loop make a difference?

for (int i = 0; i < 3; ++i)
   System.out.print(i + ".."); //prints 0..1..2


for (int i = 0; i < 3; i++)
   System.out.print(i + ".."); //prints 0..1..2

那有什么区别？在什么情况下可以错误地或错误地使用预增量导致错误......