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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
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Phoniex University
Oct-2001 - Nov-2016
*10.14Â Â (The MyDate class) Design a class named MyDate. The class contains:
â– Â Â Â Â The data fields year, month, and day that represent a date. month is 0-based, i.e., 0 is for January.
â– Â Â Â Â A no-arg constructor that creates a MyDate object for the current date.
â– Â Â Â Â A constructor that constructs a MyDate object with a specified elapsed time since midnight, January 1, 1970, in milliseconds.
â– Â Â Â Â A constructor that constructs a MyDate object with the specified year, month, and day.
â– Â Â Â Â Three getter methods for the data fields year, month, and day, respectively.
â– Â Â Â Â A method named setDate(long elapsedTime) that sets a new date for the object using the elapsed time.
Draw the UML diagram for the class and then implement the class. Write a test program that creates two MyDate objects (using new MyDate() and new MyDate(34355555133101L)) and displays their year, month, and day.
(Hint: The first two constructors will extract the year, month, and day from the elapsed time. For example, if the elapsed time is 561555550000 milli- seconds, the year is 1987, the month is 9, and the day is 18. You may use the GregorianCalendar class discussed in Programming Exercise 9.5 to sim- plify coding.)
Â
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