CLASS-XII ASSIGNMENT CH-4 (CLASSES AND OBJECTS)

MAXFORT SCHOOL ROHINI

CLASS-XII

ASSIGNMENT CH-4 (CLASSES AND OBJECTS)

Q1. Write a complete program by considering a class Book with the following specification                                                                                      

Private members of the class Book are –

                Book_No integer ,Book_Title 20 char, Price float , (price per copy)

                Total_Cost ( ) . A function  to calculate the total cost for N numbers of copies, where N is passed to the function as argument.

                Public members of the class Book are –

                INPUT( ) function to read Book_No,Book_Title, Price.

                PURCHASE() function to ask the user to input no. of copies to be purchased. It invokes Total_Cost( ) & prints the total cost to be paid by the user.

Q2. Write a complete program by considering a class TEST in C++ with following description:                                                                                   

Private Members

TestCode of type integer

Description of type string

NoCandidate of type integer

CenterReqd (number of centers required) of type integer

A member function CALCNTR() to calculate and return the number of centers as (NoCandidates/100+1)

Public Members

A function SCHEDULE() to allow user to enter values for TestCode, Description, NoCandidate & call function CALCNTR() to calculate the number of Centres

A function DISPTEST() to allow user to view the content of all the data members

Q3. Write a complete program by considering a class Candidate in C++ with following description:                                                                       

Private Members

·         A data member RNo (Registration Number) of type long

·         A data member Name of type string

·         A data member Score of type float

·         A data member Remarks of type string349

·         A member function AssignRem( ) to assign Remarks as per the Score obtained by a candidate.

Score range and the respective Remarks are shown as follows:

·         Score                                             Remarks

·         >=50                                              Selected

·         less than 50                                Not selected

Public Members

·         A function ENTER ( ) to allow user to enter values for RNo, Name, Score & call function AssignRem( ) to assign the remarks.

·         A function DISPLAY ( ) to allow user to view the content of all the data members.

·          

Q4. Write a complete program by considering a class ITEM in C++ with following description:                                                                  

Private members:

·         Icode of type integer (Item Code)

·         Iname of type string (Item Name)

·         Price  of type Float (Price of each item)

·         Qty of type integer (Quantity in stock)

·         Discount of type float (Discount percentage on the item)

·         A find function finddisc( ) to calculate discount as per the following rule:

o   If Qty <=50 discount is 0%

o   If 50 < Qty <=100 discount is 5%

o   If Qty>100 discount is 10%

Public members:

·         A function Buy( ) to allow user to enter values for Icode, Item, Price, Qty and call function finddisc ( ) to calculate the discount.

·         A function showall ( ) to allow user to view the content of all the data members.

Q5. Write a complete program by considering a class named ADMISSION in C++ with the following descriptions:
Private members:                                                                                                                                                           

AD_NO integer (Ranges 10-2000)

a.       NAME Array of characters(String)

b.      CLASS Character

c.       Fees Float

Public members:

a.       Function Read_Data() to read and object of Admission type

b.      Function Display() to display the details of an object

c.       Function Draw_Nos() to choose 2 students randomly and display the details. Use random function to generate admission nos. to match with AD_NO.

Q6. Write a complete program by considering a class employee with the following specifications:

            Private members

            empno                         integer type

            ename                         20 character

            basic,hra,da                float

            netpay                        float

         ctotal( )                         A function to calculate the total as basic+hra+da with float return type.

            Public members:

         takedata ( )                function to read empno, ename,basic,hra,da and invoke ctotal( ) to calculate total.

         showdata ( )              to display all the data members on the screen.

Q7.     Write a complete program by considering a class worker with the following specification:

            Private members

                        Wno                           integer

                        wname                     20 character

                hrwrk,wgrate      float (hours worked and wagerate per hour)

                totwage               float (hrwrk * wgrate)

               calwg( )              A function to calculate the totwage  with float return type.

            Public members:

                     takedata ( )    function to reed wno, wname ,hrwrk, wgrate and invoke calwgl( ) to calculate total wages.

                     showdata ( ) function to display all the data members on the screen.