Question: You have an enum class Signal that represents the state of a network connection. You want to print the position number of the SENDING enum. Which line of code does that?

1. `println(Signal.SENDING.position())`
2. `println(Signal.SENDING.hashCode())`
3. `println(Signal.SENDING)`
4. `println(Signal.SENDING.ordinal)`

Answer: The correct answer of the above question is Option D:`println(Signal.SENDING.ordinal)`