Post increment operator not incrementing in for loop

Question

I\'m doing some research about Java and find this very confusing:

for (int i = 0; i < 10; i = i++) {
  System.err.print(\"hoo... \");
}

Answer 1

because of i=i++

for (int i = 0; i < 10;  i++) {
  System.err.print("hoo... ");
}