Java Util Java by API

/*
 * Output:
2006
1
13
21
 */
import java.util.Calendar;
public class MainClass {
  public static void main(String args[]) {
    Calendar calendar = Calendar.getInstance();
    System.out.println(calendar.get(Calendar.YEAR));
    System.out.println(calendar.get(Calendar.HOUR));
    System.out.println(calendar.get(Calendar.HOUR_OF_DAY));
    System.out.println(calendar.get(Calendar.MINUTE));
  }
}