Program in C++

Subtask class DayOfYear Define a class with name DayOfYear to store a date with following members:

• two private short unsigned integer attributes dayOfYear and year, whereas for the date the days of a year starting from January 1st (day 1) to December 31st (day 365) shall be stored.
• a static constant private array days as class variable storing the number of the days in the year until January 31st, February 28th, March 31st, ... (leap years shall not be regarded). This class variable shall be defined and initialised outside of the class. Hint: especially helpful will be instead of the numbers of days in a month 31, 28, 31, 30, ... a summed up number of days at the end of each month to store, i.e. 0, 31, 59, 90, 120, ...
• an overloaded public (standard) constructor with two default parameters for the day with default value 1 and the year with default value 365 to initialise both attributes.
• an overloaded public constructor with three parameters for the day, month and year to initialise the day of the year. To simply calculate the day of the year use class attribute array days, e.g. for March 15th as day 74 (= 31+28+15 = 59+15).
• a public method named get_dayOfYear without parameters returning the value of the respective attribute.
• a public overloaded member operator ++ to increment a date exactly one day. Hint: after December 31st the day will be January 1st of the following year.
• a public friend overloaded input operator >> inputting a date in ISO format yyyy-mm-dd from a character input stream.
• a public friend output operator << outputting a date onto an output stream in ISO format yyyy-mm-dd (see examples below). Hint: the values for the month and day can be computed in the body from attributes dayOfYear using array days.

Subtask class Vehicle Define an abstract class with name Vehicle with following members:

• a private constant integer attribute named no for an identification number of the vehicle.
• a private C++ string attribute with name model.
• a private attribute with name price24h of data type float for the rental price of one day of the vehicle.
• a public constructor with an integer, a C++ string and a floating point number as parameters to initialise the three private attributes.
• a virtual destructor.
• two public methods with names get_no and get_model without parameters returning the values of the respective attributes.
• a public method with name get_price with an integer parameter for the number of rental days of the vehicle, which gets multiplied by the rental price of one day returned as function value.
• a public pure virtual method with name print without parameter and without return value.

Subtask class Bike

Define a class for bicycles with name Bike inheriting public from class Vehicle with following members:

• a public constructor with an integer and a C++ string as parameters to initialise the number and the model; the daily rental price shall always be 9,99 EUR.
• a public virtual method with name print without parameter and without return type writing the number, the model and afterwards "(Bike)" onto the standard character output stream (see example below).

Subtask class EMotorVehicle

Define an abstract class with name EMotorVehicle inheriting public from class Vehicle with following members:

• a public constructor with an integer, a C++ string and a floating point number as parameters to initialise the three attributes.
• a public pure virtual method with name is_streetLegal without parameter and a Boolean return type.
• a public virtual method with name print without parameter or return value writing the number, the model, and if the vehicle is not street legal "(not street legal)" onto the standard character output stream (see example below).

Subtask class EBike

Define a class with name EBike inheriting public from class EMotorVehicle with following members:

• a public constructor with an integer, a C++ string and a floating point number as parameters to initialise the three attributes; the latter parameter shall be a default parameter with default value 29.99 EUR.
• a public virtual method with name is_streetLegal without parameter always returning true (only street legal E-bikes are rented).
• a public virtual method with name print without parameter and without return type calling the same name method of its direct upper class and afterwards writing "(EBike)" onto the standard character output stream (see example below).

Subtask class EScooter

Define a class with name EScooter inheriting public from class EMotorVehicle with following members:

• a private Boolean attribute with name streetLegal whether the E-scooter is street legal.
• a public constructor with an integer, a C++ string, a floating point number and a Boolean value as parameters to initialise the four attributes. The last two parameters shall be a default parameters with default values 19.99 EUR and false.
• a public virtual method with name is_streetLegal without parameter returning the value of the respective attribute.
• a public virtual method with name print without parameter and without return type calling the same name method of its direct upper class and afterwards writing "(EScooter)" onto the standard character output stream (see example below).

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