There's pre-increment (++i), post-increment (i++), pre-decrement (--i), post-decrement (i--). The pre-ops operate on the variable and resolve to the new value.

There's pre-increment (++i), post-increment (i++), pre-decrement (--i), post-decrement (i--). The pre-ops operate on the variable and resolve to the new value. The post-ops resolve to the current value, and then operate on the variable.