Format Date Method
Complete the method below
It should accept a positive
long representing milliseconds since 1970 and return a
String containing the ISO-8601
representation of this time.
Here is one example for a recent timestamp: given
1602106609897 your function should return
Do not overthink this. The solution we are after is a single line of code. We suggest that you explore the various built-in Java libraries for working with dates and times.
We have provided starter code so that you can tell where the
import statements should go.
public class Question stuff, since we haven't covered that yet.