Constructor & Classes Questions

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Whitney Cameron
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1 (1)Answer the questions (i) and (ii) after going through the following program: class Match int Time; Match() //Function 1 Time=0; cout<< Match commences <<end1; void Details() //Function 2 cout<< InterSectionBasketball Match <<end1; Match(int Duration) //Function 3 Time=Duration; cout<< Another Match begins now <<end1; Match(Match &M) //Function 4 Time=M.Duration; cout<< Like Previous Match <<end1; ; (i)which category of constructor - Function 4 belongs to and what is the purpose of using it? (ii)write statements that would call the member Functions 1 and 3 (2)Answer the questions (i) and (ii) after going through the following class: class Seminar int Time; Seminar() //Function 1 Time=30;cout<< Seminar starts now <<end1; void Lecture() //Function 2 cout<< Lectures in the seminar on <<end1; Seminar(int Duration) //Function 3 Time=Duration;cout<< Seminar starts now <<end1; ~Seminar() //Function 4 cout<< Vote of thanks <<end1; ; (i)in Object Oriented Programming, what is Function 4 referred as and when does it get invoked/ called? (ii)in Object Oriented Programming, which concept is illustrated by Function 1 and Function 3 together? Write an example illustrating the calls for these functions. (3)Answer the questions (i) and (ii) after going through the following class: class player int health; int age; player() health=6; age=18 player(int s, int a) health =s; age = a ; player( player &p) ~player() cout<< Memory Deallocate ; ; void main() player p1(7,24); //Constructor1 //Constructor2 //Constructor3 //Destructor //Statement1 player p3 = p1; //Statement3 (i) When p3 object created specify which constructor invoked and why? (ii) Write complete definition for Constructor3? (4) Answer the questions (i) and (ii) after going through the following class : 1

2 class number float M; char str[25]; number( ) //constructor 1 M=0; str= \0 ; number(number &t); //constructor 2 ; i) Write c++ statement such that it invokes constructor 1. ii) Complete the definition for constructor 2. (5)class Text char Paper[20]; int Marks; Test() // Function 1 strcpy(paper, Computer ); Test(char p[]) // Function 2 strcpy(paper, P); Test (int M) // Function 3 strcpy(paper, Computer ); Test(char P[], int M) // Function 4 strcpy(paper, P); ; (i) Which feature of Object Oriented Programming is demonstrate using Function 1, Function 2, Function 3 and Function 4 in the above class Test? (ii) Write statements in C++ that would Function 2 and Function $ of class Test. (6) class Exam int Marks; char Subject[20]; Exam() // Function 1 strcpy(subject, Computer ); Exam(char s[]) // Function 2 strcpy(subject, S); Exam(int M) // Function 3 strcpy(subject, Computer ); 2

3 Exam(char S[], int M) // Function 4 strcpy(subject, S); ; (i) Which statements in C++ that would execute Function 3 and Function 4 of class Exam. (ii) Which feature of Object Oriented Programming is demonstrated using Function 1, Function 2, Function 3, and Function 4 in the above class Exam? (7) class TestMeout ~TestMeout() // Function 1 cout<< Leaving the exam ; TestMeout() // Function 2 cout<< Appearing the exam ; void MyWork()// Function 3 cout<< Attempting the questions ; ; (i) In object Oriented Programming, what is function 1 referred as and when does it get invoked/ called? (ii) In object Oriented Programming, what is function 2 referred as and when does it get invoked/ called? (8) Define a class in C++ with following description: Private Members A data member Flight number of type integer A data member Destination of type string A data member Distance of type float A data member Fuel of type float A member function CALFUEL() to calculate the value of Fuel as per the following criteria Distance Fuel<=1000 and >500 more than 1000 and <= more than 2000 and <=2200 Public Members A function FEEDINFO() to allow user to enter values for Flight Number, Destination, Distance & call function CALFUEL() to calculate the quantity of Fuel A function SHOWINFO() to allow user to view the content of all the data members (9) Define 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 (10) Define a class named Publisher in C++ with the following descriptions : Private members Id long title 40 char 3

4 author price, stockqty stockvalue valcal() 40 char double double A function to find price*stockqty with double as return type Public members a constructor function to initialize price, stockqty and stockvalue as 0 Enter() function to input the idnumber, title and author Takestock() function to increment stockqty by N(where N is passed as argument to this function) and call the function valcal() to update the stockvalue(). sale() function to decrease the stockqty by N (where N is sale quantity passed to this function as argument) and also call the function valcal() to update the stockvalue outdata() function to display all the data members on the screen. (11) Define a class Employee in C++ with the following specification: Private Members: ename an array of char of size[50] ( represent employee name) deptnamean array of char of size[20] ( represent department name) salary integer ( represent total salary of an employee) bonus float CalBonus() This function calculate the total bonus given to an employee according to following conditions Deptname Bonus Accounts 4 % of salary HR 5% of salary IT 2% of salary Sales 3% of salary Marketing 4% of salary Public Members: Constructor to initialise ename and deptname to NULL and salary and bonus to 0. A function read_info to allow user to enter values for ename, deptname,salary & Call function CalBonus() to calculate the bonus of an employee. A Function disp_info() to allow user to view the content of all the data members. (12)A class TRAVEL with the following descriptions: Private members are : Tcode, no_of_pass, no_of_buses integer (ranging from 0 to 55000) Place string Public members are: A constructor to assign initial values of Tcode as 101, Place as Varanasi, no_of_pass as 5, no_of_buses as 1. A function INDETAILS( ) to input all information except no_of_buses according to the following rules : Number of passengers Number of buses Less than 40 1 Equal to or more than 40 & less than 80 2 Equal to or more than 80 3 A function OUTDETAILS( ) to display all the information. (13) Define a class teacher with the following specifications: Private members of class teacher name 20 characters subject 10 characters basic, hra,da float netpay float calculate() A function computes the net salary and returns it netpay is sum of basic, hra,da with float return type. Public members function of class employee readdata() function to accept the data values and invoke the calculate function displaydata() function prints the data on the screen (14) A class CLOCK has the following members: Data member 4

5 hour of type integer minute of type integer Member function readtime( int h, int m) showtime() //To display data member addtime( time T1, time T2) Write a program to input two different objects FT and ST, print their sum(assuming 24 hours clock time) (15) Define a class report with the following specifications: Private members: adno 4 digit admission member name 20 characters marks an array of 5 floating point values average average marks obtained getavg() to compute the average obtained in five subjects Public members: readinfo() function to accept values for adno, name, marks, and invoke the function getavg(). displayinfo() function to display all data members on the screen you should give function definitions. (16) Consider the following class declaaration and answer the question below: class SmallObj private: int some, more; void err_1() cout<< error ; void Xdata(int d) some=d; more=d++; void Ydata() cout<<some<< <<more; ; (i) Write the name that specifies the above class. (ii) Write the data of the class with their access scope (iii) Write all member functions of the class along with their access scope. (iv) Indicate the member function of the SmallObj that sets data. 5

6 (17) Define a class Travel in C++ with the description given below: Private Members: T_code of type string No_of_Adults of type integer No_of_Children of type integer Distance of type integer TotalFare of type of float Public Members: A constructor to assign initial values as follows: T_code with the word NULL No_of_Adults as 0 No_of_Children as 0 Distance as 0 Total as 0 A function AssignFare() which calculates and assigns the value of the data member TotalFare as follows: For each Adult Fare(Rs) For Distance (Km) 1. >= <1000 & >= <500 For each Child the above Fare will be 50% of the Fare mentioned in the above table. If Distance is 750, No_of_Adults=3 and No_of_Children=2 then TotalFare should be calculated as No_of_Adults*300+No_of_Children*150 i.e. 3*300+2*150=1200 A function EnterTraveK() to input the values of the data members T_code, No_of_Adults, No_of_Children and Distance; and invoke the AssignFare() function A function Show TraveK() which displays the content of all the data members for a Travel (18) Define a class Clothing in C++ with the following descriptions: Private Members: Code of type string Type of type string Size of type integer Material of type string Price of type float A function Calc_Price() which calculates and assigns the value of Price as follows: For the value of of Material as COTTON Type Price(Rs) TROUSER 1500 SHIRT 1200 for Material other than COTTON the above mentioned Price gets reduced by 25% Public Members: A constructor to assign initial values of Code, Type and Material with the word NOT ASSIGNED and Size and Price with 0. A function Enter() to input the values of the data members Code, Type, Size and Material and invoke the CalcPrice() function. A function Show() which displays the content of all the data members for a Clothing. 6

Class and object Holiday Homework

Class and object Holiday Homework 1.Define a class student with the following specification: Private members admno integer type sname 20 character eng, math,sci, total float ctotal( ) A function to calculate