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In: Computer Science

Enumerations Create an advanced enumeration to represent months (JANUARY – DECEMBER) called enuMonths Add internal properties...

Enumerations

  1. Create an advanced enumeration to represent months (JANUARY – DECEMBER) called enuMonths
    1. Add internal properties to represent a month.
      1. friendlyName                ( e.g., January, February, etc. )
      2. shortName                   ( e.g., Jan, Feb, etc. )
      3. monthNumber              ( e.g., 1, 2, etc. )
      4. daysInMonth                ( e.g., 31, 28, etc. )
      5. isLeapYearMonth          ( e.g., false, true, etc. )
  2. Create an advanced enumeration for a deck of cards in a game of blackjack called enuCards ( AH, 2H, 3H, etc… )
    1. Add the internal properties
      1. friendlyName                ( e.g., Ace of Hearts, 2 of Diamonds, etc. )
      2. minPointValue              ( e.g., 1, 2, etc. )
      3. maxPointValue             ( e.g., 11, 2, etc. )

  1. Create an advanced enumeration of your own. You can decide the subject and the properties it stores.  You can also add public methods to the enumeration that perform a task or calculation.

Interfaces

  1. Create an interface that would apply to all vending machines called iVendingMachine.  You will need to come up with the methods on your own that will be applied to anything that interfaces with the iVendingMachine interface
  2. Create an interface for an automobile called iAutomobile. This interface should cover what any automobile would need to implement.

Solutions

Expert Solution

1.

//enuMonths.java : Java enumeration enuMonths to represent months

public enum enuMonths {

      

       JANUARY("January","Jan",1,31,false),

       FEBRUARY("February","Feb",2,28,true),

       MARCH("March","Mar",3,31,false),

       APRIL("April","Apr",4,30,false),

       MAY("May","May",5,31,false),

       JUNE("June","Jun",6,30,false),

       JULY("July","Jul",7,31,false),

       AUGUST("August","Aug",8,31,false),

       SEPTEMBER("September","Sep",9,30,false),

       OCTOBER("October","Oct",10,31,false),

       NOVEMBER("November","Nov",11,30,false),

       DECEMBER("December","Dec",12,31,false);

      

       public String friendlyName;

       public String shortName;

       public int monthNumber;

       public int daysInMonth;

       public boolean isLeapYearMonth;

      

       private EnuMonths(String friendlyName, String shortName, int monthNumber, int daysInMonth, boolean isLeapYearMonth)

       {

             this.friendlyName = friendlyName;

             this.shortName = shortName;

             this.monthNumber = monthNumber;

             this.daysInMonth = daysInMonth;

             this.isLeapYearMonth = isLeapYearMonth;

       }

}

//end of enuMonths.java

2.

//enuCards.java : Java enumeration enuCards to represent blackjack cards

public enum enuCards {

      

       A_H("Ace of Hearts",1,11),

       TWO_H("2 of Hearts",2,2),

       THREE_H("3 of Hearts",3,3),

       FOUR_H("4 of Hearts",4,4),

       FIVE_H("5 of Hearts",5,5),

       SIX_H("6 of Hearts",6,6),

       SEVEN_H("7 of Hearts",7,7),

       EIGHT_H("8 of Hearts",8,8),

       NINE_H("9 of Hearts",9,9),

       TEN_H("10 of Hearts",10,10),

       J_H("Jack of Hearts",10,10),

       Q_H("Queen of Hearts",10,10),

       K_H("King of Hearts",10,10),

      

       A_D("Ace of Diamonds",1,11),

       TWO_D("2 of Diamonds",2,2),

       THREE_D("3 of Diamonds",3,3),

       FOUR_D("4 of Diamonds",4,4),

       FIVE_D("5 of Diamonds",5,5),

       SIX_D("6 of Diamonds",6,6),

       SEVEN_D("7 of Diamonds",7,7),

       EIGHT_D("8 of Diamonds",8,8),

       NINE_D("9 of Diamonds",9,9),

       TEN_D("10 of Diamonds",10,10),

       J_D("Jack of Diamonds",10,10),

       Q_D("Queen of Diamonds",10,10),

       K_D("King of Diamonds",10,10),

      

       A_S("Ace of Spades",1,11),

       TWO_S("2 of Spades",2,2),

       THREE_S("3 of Spades",3,3),

       FOUR_S("4 of Spades",4,4),

       FIVE_S("5 of Spades",5,5),

       SIX_S("6 of Spades",6,6),

       SEVEN_S("7 of Spades",7,7),

       EIGHT_S("8 of Spades",8,8),

       NINE_S("9 of Spades",9,9),

       TEN_S("10 of Spades",10,10),

       J_S("Jack of Spades",10,10),

       Q_S("Queen of Spades",10,10),

       K_S("King of Spades",10,10),

      

       A_C("Ace of Clubs",1,11),

       TWO_C("2 of Clubs",2,2),

       THREE_C("2 of Clubs",3,3),

       FOUR_C("4 of Clubs",4,4),

       FIVE_C("5 of Clubs",5,5),

       SIX_C("6 of Clubs",6,6),

       SEVEN_C("7 of Clubs",7,7),

       EIGHT_C("8 of Clubs",8,8),

       NINE_C("9 of Clubs",9,9),

       TEN_C("10 of Clubs",10,10),

       J_C("Jack of Clubs",10,10),

       Q_C("Queen of Clubs",10,10),

       K_C("King of Clubs",10,10);

      

       public String friendlyName;

       public int minPointValue;

       public int maxPointValue;

       private EnuCards(String friendlyName, int minPointValue, int maxPointValue)

       {

             this.friendlyName = friendlyName;

             this.minPointValue = minPointValue;

             this.maxPointValue = maxPointValue;

       }

      

}

//end of enuCards.java

3.

//enuDays.java : Java enumeration enuDays to represent days

public enum enuDays {

       SUNDAY("Sunday","Sun",1),

       MONDAY("Monday","Mon",2),

       TUESDAY("Tuesday","Tue",3),

       WEDNESDAY("Wednesday","Wed",4),

       THURSDAY("Thursday","Thu",5),

       FRIDAY("Friday","Fri",6),

       SATURDAY("Saturday","Sat",7);

      

       public String friendlyName;

       public String shortName;

       public int dayNumber;

      

       private EnuDays(String friendlyName, String shortName, int dayNumber)

       {

             this.friendlyName = friendlyName;

             this.shortName = shortName;

             this.dayNumber = dayNumber;

       }     

}

//end of enuDays.java

4.

//iVendingMachine.java : Vending Machine Interface

public interface iVendingMachine {

      

       // method to select the index of the item

       public void selectItem(int i);

       // method to insert the money to buy the selected item

       public void insertMoney(int i, double money);

       // method to return the change corresponding to the money inserted and item selected

       public double returnBalance(int i, double moneyInserted);

}

//end of iVendingMachine.java

//iAutomobile.java : iAutomobile interface

public interface iAutomobile {

       // method to start the automobile

       public void start();

       // method to accelerate the automobile's speed

       public void acceleterate();

       // method to apply brakes

       public void brake();

       // method to stop the automobile

       public void stop();

}

//end of iAutomobile.java

venereology answered 8 months ago
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