Listing 2.7, ShowCurrentTime.java, displays the current time. Improve this example to display the current date and time. The calendar example in Listing 6.12, PrintCalendar.java, should give you some ideas on how to find the year, month, and day.

Listing 1

Listing 2

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1 public class ShowCurrentTime { public static void main(String[] args) { // Obtain the total milliseconds since midnight, Jan 1, 1970 long totalMilliseconds = System.currentTimeMillis(); 2 3 4 // Obtain the total seconds since midnight, Jan 1, 1970 long totalSeconds = totalMilliseconds / 1000; // Compute the current second in the minute in the hour long currentSecond = totalSeconds % 60; 10 11 // Obtain the total minutes long totalMinutes = totalSeconds / 60; 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 // Compute the current minute in the hour long currentMinute = totalMinutes % 60; // Obtain the total hours long totalHours - totalMinutes / 60; // Compute the current hour long currentHour - totalHours % 24; // Display results System.out.println("Current time is " + currentHour + + currentMinute + ":" + currentSecond + " GMT"); 28 } Current time is 17:31:8 GMT N~~6 N~~~