מצגת 9 - CLOCK

public class Clock {

    enum HoursPerDay {
        AM(24), PM(12);

        // enum Constructor
        private HoursPerDay(final int _Hours) {
            this._Hours = _Hours;
        }

        // Internal state Parameter Private
        private int _Hours;

        // Type of HoursPerDay if Value of Hours < 12 return AM
        // Else > 12 return PM
        public static HoursPerDay valueOf(int _Hours) {
            if (_Hours > HOURS12 && _Hours <= HOURS24) {
                return HoursPerDay.PM;
            } else if (_Hours <= HOURS12) {
                return HoursPerDay.AM;
            }

            return HoursPerDay.PM;
        }

    } // End of Enum

    private static final int MINUTES = 60;
    private static int HOURS24 = 24;
    private static int HOURS12 = 12;
    private int _Min;
    private int _Hour;

    // Clock Constructor
    // _Hour parameter to hold the Hour value
    // _Min parameter to hold the Minutes value

    public Clock(int _Hour, int _Min) {
        // Check if the user entered the value of correct parameters
        if (_Hour < HOURS24) {
            this._Hour = _Hour;
        } else // if not Prompt user to enter the right values and set hour to
                // zero
        {
            System.out.println("Hours should be between 0-23  ...");
            this._Hour = 0;
        }
        // Check if the user entered the value of correct parameters
        if (_Min < MINUTES) {
            this._Min = _Min;
        } else { // if not Prompt for mistake and set Minute to 00
            System.out.println("MINUTES should be between 0-59... the MINUTES = 0");
            this._Min = 0;
        }
    }

    // creating a copy of Clock to hold hour and minutes to manipulate output
    public Clock(Clock Other) {
        this._Hour = Other._Hour;
        this._Min = Other._Min;

    }

    // Minute getter - return the minutes entered
    public int getMin() {
        return this._Min;
    }

    // Hour getter - return hour entered
    public int getH() {
        return this._Hour;

    }

    // Method that set the format when Hours > 12 and < 24
    // Format 12 will subtract 12 from the hour value
    // Else user want to display 24 hours format

    public void format(int format) {
        switch (format) {
        case 12:
            if (_Hour > HOURS12 && _Hour < 24) {
                this._Hour -= HOURS12;
            } else {
                this._Hour = _Hour;
            }
            if (_Hour == 0) {
                this._Hour = _Hour;
            }
            break;

        case 24:
            break;
        }
    }

    // Method to string to add 0 to the entered hour if Hour less than 10
    // Minutes also is fixed when minutes are less than 10
    @Override
    public String toString() {
        String str = "";
        if (_Hour < 10) {
            str += "0";
        }
        str += getH() + " : ";
        if (_Min < 10) {
            str += "0";
        }
        str += getMin();
        return "Clock  " + str + " " + HoursPerDay.valueOf(_Hour);
    }

}
import java.util.Scanner;

public class ClockTester{

public static void main(String[] args){
        Scanner s = new Scanner(System.in);
        int h, h1;
        Clock c1 = new Clock(8, 45);
        System.out.println("The clock is :" + c1.toString());
        System.out.println("Enter 12 if you like to see hour in 12 Hour format or 24 Format? ");
        h = s.nextInt();
        c1.format(h);
        System.out.println("The clock is :" +c1.toString());

        System.out.println(" ==============The 2nd clock=============");

        Clock c2 = new Clock(23,40);
        System.out.println("The clock is :" + c2.toString());
        System.out.println("Enter 12 if you like to see hour in 12 Hour format or 24 Format? ");
        h1 = s.nextInt();
        c2.format(h1);
        System.out.print("The clock is :" +c2.toString());

    }
}