1. Write a simple C++ program using class and object.
Solution:
Output:
Maruti is a car which has 4 wheels
It has 2 doors
Output:
Roll Number: 1
Name: Aakash Shah
2. Write a program to add two numbers using class and objects.
Solution:
OR
Output:
Enter 2 numbers: 45 56
Result: 101
3. Write a C++ program to add and subtract two numbers using class.
Solution:
Output:
Enter 2 numbers: 4 5
Sum of 4 and 5 is: 9
Enter 2 numbers: 6 3
Difference of 6 and 3 is: 3
4. Write a C++ program to multiply and divide two numbers using class.
Solution:
Output:
Enter 2 numbers: 4 5
Product of 4 and 5 is: 20
Enter 2 numbers: 6 3
Division of 6 and 3 is: 2
5. Define a class student for the following specifications:
Private members of the student are:
Registration number, Age, Name and Address
Public members of the student are:
input reads registration number, name, age and address
display prints the data
Solution:
Output:
Enter data of students…
1.Registration Number: 1001
2.Name: Ankit
3.Age: 20
4.Address: Tinsukia
Student data is:
1.Registration Number: 1001
2.Name: Ankit
3.Age: 20
4.Address: Tinsukia
6. Write a C++ program to find biggest number of three numbers using class and object.
Solution:
Output:
Largest Number:42
7. Write a C++ program to calculate area and volume of a room using class and object.
Solution:
Output:
Area of Room: 2211.3
Volume of Room: 56167
8. Define a class student with the following specification:
Private members of class student
rollno integer
name character
eng, math, sc, tot float
calc_tot() A function to calculate eng+math+sc with float return type
Public member functions of class student
Takedata() function to accept values for rollno, name, eng, math, sc and invoke calc_tot() to calculate total. Showdata() function to display all the data members on the screen.
Solution:
Output:
Enter name: Akash Singh
Enter roll number: 1
Enter Marks –
————
English: 80
Mathematics: 90
Science: 95
Roll Number: 1
Name: Akash Singh
Marks –
—————-
English: 80
Math: 90
Science: 95
Total Marks: 265
9. Define a class Book with the following specification:
Private members of the class BOOK are:
book_no integer type
book_title 20 character
price float
total_cost(): A function to calculate total cost for n number 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 the number of copies to be purchased. It invokes total() cost and prints the total cost to be paid by the user.
Solution:
Output:
Enter Book No: 101
Enter Book Title: Let Us C
Enter Price: 350
Enter the number of copies to be purchased: 4
Total Amount is: 1400
10. A class has to be declared for a salesman with the characteristics like salesman number, salesman name, product number, target and sales made and commission. The operations that can be performed on this data are: calculate commission and print commission.
Solution:
Output:
Enter Salesman No: 101
Enter Salesman Name: Akash Sah
Enter Product No: 123
Enter target and sales made: 200 400
——————————
Salesman No: 101
Salesman Name: Akash Sah
Commission: 80
11. Define a class Library for the following specifications:
Private members of the Library are:
Name array of characters of size 20
eng_book, sc_book, others and tot_book integers
compute function that calculates the total number of books and return the total. tot_book is sum of eng_book, sc_book and others.
Public members of the Library are:
readData accepts the data and involves the compute function.
printData prints the data.
Solution:
Output:
Enter the name: College Library
Enter the number of English books: 100
Enter the number of Science books: 150
Enter the number of other books: 300
————————
Name: College Library
Number of English Books: 100
Number of Science Books: 150
Number of Other Books 300
Total Books: 550
12. Write a C++ program to simulate result preparation system for 5 students. The data available for each student includes rollno, name and marks in 3 subjects. Calculate percentage and grade.
Define a class student:
Private members of the class:
rollno integer
name array of character
grade character
marks array of integer
tot, per float
calc_tot(): A function to calculate total marks with float return type
Public member functions of class student:
getval() function to accept values for rollno, name and marks to calculate total. Showdata() function display all the data.
The percentage marks are the average marks and the grade is calculated as follows:
Percentage marks grade
<50 F
<60 D
<70 C
<80 B
Above 80 A
Solution:
Output:
Enter student data……
Roll Number: 1
Name: Anuran Kashyap
Enter Marks:
Subject 1: 90
Subject 2: 85
Subject 3: 96
Roll Number: 2
Name: Akash Singh
Enter Marks:
Subject 1: 78
Subject 2: 80
Subject 3: 94
Roll Number: 3
Name: Nibir Dutta
Enter Marks:
Subject 1: 67
Subject 2: 78
Subject 3: 80
Roll Number: 4
Name: Priya Sharma
Enter Marks:
Subject 1: 85
Subject 2: 76
Subject 3: 90
Roll Number: 5
Name: Aditya Moran
Enter Marks:
Subject 1: 80
Subject 2: 76
Subject 3: 67
Student Data
——————
Roll Number: 1
Name: Anuran Kashyap
Percentage: 90.33
Grade: A
Roll Number: 2
Name: Akash Singh
Percentage: 84.00
Grade: A
Roll Number: 3
Name: Nibir Dutta
Percentage: 75.00
Grade: B
Roll Number: 4
Name: Priya Sharma
Percentage: 83.67
Grade: A
Roll Number: 5
Name: Aditya Moran
Percentage: 74.33
Grade: B
13. Declares a class to represent a bank account.
Include the following members:
Name of the depositor, Account Number, Type of account (S for savings and C for current), Balance amount.
The class also contains member functions to do the following:
- To initialize data members
- To deposit money
- To withdraw money after checking the balance.
- To display the data members.
Solution:
Output – 1:
Enter details:
—————
Account Number: 23415678909876
Name: Eliza Begum
Account type Saving/Current(S/C): S
Balance: 100000
Enter deposit amount: 50000
Amount Deposited…..
Current Balance is: 150000
Enter withdraw amount: 10000
—————–
Account Number: 23415678909876
Name: Eliza Begum
Account Typr: S
Balance (Rs.):140000
Output -2:
Enter details:
—————
Account Number: 12345678909876
Name: Moidur Rahman
Account type Saving/Current(S/C): D
Enter S or C only
Account type Saving/Current(S/C): S
Balance: 50000
Enter deposit amount: 10000
Amount Deposited…..
Current Balance is: 60000
Enter withdraw amount: 100000
Cannot withdraw! Not sufficient amount
—————–
Account Number: 12345678909876
Name: Moidur Rahman
Account Typr: S
Balance (Rs.):60000
14. Write a C++ program to store data of 5 employees using array of objects.
Solution:
Output: