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Comments on time exercise please

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Can you please review my program? Below is the Question. Please Suggest me ny changes and especially the class design.

Design a class named Time. The class contains:
■■ The data fields hour, minute, and second that represent a time.
■■ A no-arg constructor that creates a Time object for the current time. (The
values of the data fields will represent the current time.)
■■ A constructor that constructs a Time object with a specified elapsed time
since midnight, January 1, 1970, in milliseconds. (The values of the data
fields will represent this time.)
■ A constructor that constructs a Time object with the specified hour, minute,
and second.
■ Three getter methods for the data fields hour, minute, and second,
■ A method named setTime(long elapseTime) that sets a new time for the
object using the elapsed time. For example, if the elapsed time is 555550000
milliseconds, the hour is 10, the minute is 19, and the second is 10.

Write a test program that creates three Time objects (using new Time(), new
Time(555550000), and new Time(5, 23, 55)) and displays their hour,
minute, and second.
(Hint: The first two constructors will extract the hour, minute, and second
from the elapsed time. For the no-arg constructor, the current time can be
obtained using System.currentTimeMillis(). Assume the time is in GMT.)

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