20

package room1;

import java.time.*;
import java.time.temporal.*;

class Clock {
public static void main(String[] arguments) {
// get current time and date
LocalDateTime now = LocalDateTime.now();
int hour = now.get(ChronoField.HOUR_OF_DAY);
int minute = now.get(ChronoField.MINUTE_OF_HOUR);
int month = now.get(ChronoField.MONTH_OF_YEAR);
int day = now.get(ChronoField.DAY_OF_MONTH);
int year = now.get(ChronoField.YEAR);

// display greeting
if (hour < 12) {
System.out.println("Good morning.\n");
} else if (hour < 17) {
System.out.println("Good afternoon.\n");
} else {
System.out.println("Good evening.\n");
}

// begin time message by showing the minutes
System.out.print("It's");
if (minute != 0) {
System.out.print(" " + minute + " ");
System.out.print( (minute != 1) ? "minutes" :
"minute");
System.out.print(" past");
}

// display the hour
System.out.print(" ");
System.out.print( (hour > 12) ? (hour - 12) : hour );
System.out.print(" o'clock on ");

// display the name of the month
switch (month) {
case 1:
System.out.print("January");
break;
case 2:
System.out.print("February");
break;
case 3:
System.out.print("March");
break;
case 4:
System.out.print("April");
break;
case 5:
System.out.print("May");
break;
case 6:
System.out.print("June");
break;
case 7:
System.out.print("July");
break;
case 8:
System.out.print("August");
break;
case 9:
System.out.print("September");
break;
case 10:
System.out.print("October");
break;
case 11:
System.out.print("November");
break;
case 12:
System.out.print("December");
}

// display the date and year
System.out.println(" " + day + ", " + year + ".");
}
}