how to reserve a specific time in a week calendar?

Question

if i want to make a calendar divided in 30 minutes for a whole week.
Ex: Sunday: 5:30,6:00,6:30..etc
and i want to reserve a specific 30 minutes
how can i do it with java?! and what classes should i import?!

Answer 1

Have a look at java.time package of Java8:
https://docs.oracle.com/javase/8/docs/api/java/time/package-summary.html