Implement a simple clock class to keep track of current time


Assignment

• Constructors
• Getter/ Setter methods

TASK

Your task is to implement a simple Clock class to keep track of the current time using 24-hour time representation. Your clock should allow the user of the Clock class to do the following:

• to create a clock with a given time. If no time is specified at the clock instantiation, the clock should set itself to midnight and print a warning message to the screen.

• to set an existing clock to a specific time with setter methods

• to use a getter method to obtain an integer that represents the current number of hours on the clock

• to use a getter method to obtain an integer that represents the current number of minutes on the clock

• to receive a string that is formatted for the screen output and represents the current time on the clock. The required format is the time in a four-digit format, with leading zeros where needed for hours and minutes, and the ':' character separating the hours and minutes (for example: "05:30", "15:04", "23:59").

• to advance an existing clock by an integer number of minutes forward

To test the implementation of the Clock class, you should create a driver program that creates a clock object and uses its methods to perform some tests. The driver should:

• prompt the user for initial hours and minutes for the clock and instantiate a clock object

• print the "Initial time" as a formatted output and the hours and minutes separately as integers

• in a user-driven loop, ask the user to enter the number of minutes to advance the clock forward and print the formatted current time. Depending on the number of minutes entered, the code should:

o ensure that the number of minutes to go forward does not exceed 720 (12 hours). Print an error message if it does.

o terminate the loop whenever the user enters a negative number, printing "Exiting..."

o set the current time to 12:00 with Clock's setter methods and print a message

"Resetting clock to noon!" whenever the user enters 0

INSTRUCTIONS

There are many ways to approach the architecture of the code. For this lab, use the following class design. Use this logic only, do not deviate from these instructions:

1) A Clock class should include:

a) Private integer data members for current hours and minutes.
b) Constructors:

i) a constructor that takes 2 parameters, hours_in and minutes_in, and sets the clock's data members to the passed hours and minutes, respectively

ii) a default constructor that uses the above constructor to set the time to midnight (with the keyword this) and prints a message "Warning: No parameters; clock set to midnight!" to the screen

c) Public methods:

i) setter that accepts an integer and sets the clock's hours to the parameter

ii) setter that accepts an integer and sets the clock's minutes to the parameter

iii) getter that returns an integer with the clock's current hours

iv) getter that returns an integer with the clock's current minutes

v) String getCurrentTime() method that has no input parameters, and returns the current time as a 5 character String that includes leading zeros for hours and minutes when needed, and separating the values with a ':'.

Hint: if your hour and/or minute variable is less than 10, you need to insert a "0" (zero) character before the hour and/or minute to produce an output with leading zeros

Hint: you are working with a String, so you can let Java automatically convert the integers to Strings by concatenation to an existing String, or you convert them explicitly with Integer.toString(int i)

Hint: you should start with an empty String "" and build it up by adding the parts: hours, ':' and minutes.

vi) a void advanceTime(int advanceMinutes) method with a single input parameter for the number of minutes to advance the clock time, and no return value

Hint: if your new minute count exceeds 59, you need to calculate the correct minute value for the new time.

Hint: if your new hour count exceeds 23, you need to calculate the correct hour value for the next day.

2) A driver class (with main), called Lab9, should provide the following logic:

a) Prompt user for input for the current time hours and minutes. You may assume that these values are valid (i.e., you do not need to do any input validation for these values).

b) Call the Clock constructor with user input hours and minutes to create a new clock object.

c) Print the initial user input time; use the clock's method getCurrentTime() to format the output before printing. Use the label "Initial time:"

d) Print the value of hours and the value of minutes by calling the clock's getter methods. Use the labels "Hours getter:" and "Minutes getter: ", respectively.

e) In a user-input driven loop:

i) Prompt the user for a number of minutes to advance the clock with "Enter number of minutes to advance the clock (up to 720 minutes) or -1 to exit:"

ii) Read the number of minutes to advance into a variable

(1) If the user entered a positive number greater than 720, print an error message: "Too many minutes: can't advance by more than 12 hours!".

(2) If the user entered 0, print the message "Resetting clock to noon!" , use the setter methods to set the clock to 12 hours and 0 minutes and print the new time.

(3) If the user entered an appropriate value for minutes, ask the Clock to advance the clock time, and then print the new time.

iii) If the user entered any negative number, exit the loop and print "Exiting..." when terminating the program

Format your assignment according to the following formatting requirements:

1. The answer should be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.

2. The response also includes a cover page containing the title of the assignment, the student's name, the course title, and the date. The cover page is not included in the required page length.

3. Also include a reference page. The Citations and references should follow APA format. The reference page is not included in the required page length.

Attachment:- Lab-Assignment.rar

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