1|Page Object-Oriented Programming using C++
Practical 1: Write a program to check whether a given number is ‘Even’ or
‘Odd’.
Syntax:
#include<iostream>
using namespace std;
int main(){
int num;
// Input of Value
cout<<"Enter The Value: ";
cin>>num;
// Checking either the Value is 'Odd' or 'Even'
if(num%2==0){
cout<<"The Value '"<<num<<"' is Even";
}
else{
cout<<"The Value '"<<num<<"' is Odd";
}
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
2|Page Object-Oriented Programming using C++
Practical 2: Write a program to find the greatest of the three numbers using
conditional operator.
Syntax:
#include<iostream>
using namespace std;
int main(){
int a, b, c;
// Input The Values
cout<<"Enter The First Value: ";
cin>>a;
cout<<"Enter The Second Value: ";
cin>>b;
cout<<"Enter The Third Value: ";
cin>>c;
// Checking The Values for the Greatest
if(a>b && a>c)
cout<<"The First Value is Bigger i.e., "<<a<<endl;
else if(b>a && b>c)
cout<<"The Second Value is Bigger i.e., "<<b<<endl;
else
cout<<"The Third Value is Bigger i.e., "<<c<<endl;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
3|Page Object-Oriented Programming using C++
Practical 3: Write a Program to Find the Sum of Digits of a Number.
Syntax:
#include<iostream>
using namespace std;
int main(){
int n, m=0, num=0;
// Input The Value
cout<<"Enter A Number: ";
cin>>n;
// Using While Loop to calculate the value using reminders and
removing last digit every cycle
while(n>0){
m=n%10;
num+=m;
n=n/10;
}
// Output The Total
cout<<"The Sum of Digits in number is "<<num;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
4|Page Object-Oriented Programming using C++
Practical 4: Write a program to generate Fibonacci series of First ‘n’ numbers
Syntax:
#include <iostream>
using namespace std;
int main(){
int n, n1=0, n2=1, nt=0;
// Input The Range
cout<<"Enter the number of terms: ";
cin>>n;
cout<<"Fibonacci Series: ";
for(int i=1; i<=n; i++){
// Prints the first two terms.
if(i==1){
cout<<n1<<", ";
continue;
}
if(i==2){
cout<<n2<<", ";
continue;
}
// Calculating The Next Values
nt=n1+n2;
n1=n2;
n2=nt;
// Printing The Latest Values Every Cycle
cout<<nt<< ", ";
}
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
5|Page Object-Oriented Programming using C++
Practical 5: Write a program to print the multiplication table of a given
Number
Syntax:
#include<iostream>
using namespace std;
int main(){
int n;
// Input of The Value for Multiplication Table
cout<<"Enter The Number For The Table: ";
cin>>n;
cout<<"The Table of "<<n<<" is"<<endl;
// Loop Cycles all the 10 Values of 'n' in an ascending order and
print them
for(int i=1; i<=10; i++){
cout<<n<<" X "<<i<<" = "<<n*i<<endl;
}
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
6|Page Object-Oriented Programming using C++
Practical 6: Write a Program to calculate the factorial of a Number.
Syntax:
#include<iostream>
using namespace std;
int main(){
int a, num, factor=1;
// Input of The Value
cout<<"Enter The Number: ";
cin>>num;
a = num;
// While Loop to Get Factorial of The Value
while(num>0){
factor = factor * num;
--num;
}
// Final Output or The Factorial of The Value
cout<<"The Factorial of "<<a<<" is "<<factor;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
7|Page Object-Oriented Programming using C++
Practical 7: Write a program to add, subtract, multiply and divide two
numbers using ‘switch’ statement.
Syntax:
#include<iostream>
using namespace std;
int main(){
int n, m;
char syb;
cout<<"Enter The First Value: ";
cin>>n;
cout<<"Enter The Second Value: ";
cin>>m;
cout<<"Confirm The Operation you want to compelete by inputting Them
(i.e., '+' ; '-' ; '*' ; '/') : ";
cin>>syb;
switch(syb){
case '+':
cout<<"The Value After Addition is "<<n+m<<endl;
break;
case '-':
cout<<"The Value After Subtraction is "<<n-m<<endl;
break;
case '*':
cout<<"The Value After Multiplication is "<<n*m<<endl;
break;
case '/':
cout<<"The Value After Division is "<<n/m<<endl;
break;
default:
cout<<"The Operation Confirmed is Inappropriate"<<endl<<"Try
Again";
}
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
8|Page Object-Oriented Programming using C++
Practical 8: Write a Program to check whether the given number is Even or Not.
Syntax:
#include<iostream>
using namespace std;
int main(){
int n;
bool count=true;
// Input The Value to Check
cout<<"Enter The Number You Want To Check: ";
cin>>n;
// Checking Whether The Value 'n' has any other factor
for(int i=2; i<=n/2; i++){
// If it has a factor 'count' changes to false and the loop breaks
if(n%i==0){
count=false;
break;
}
}
// If the 'count' is false, it is not a Prime No.
if(count==false){
cout<<n<<" is not a Prime Number"<<endl;
}
// if The 'count' is still true, it is a Prime No.
else{
cout<<n<<" is a Prime Number"<<endl;
}
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
9|Page Object-Oriented Programming using C++
Practical 9: Write a program to Print the given pattern: 1
212
32123
Syntax: 4321234
543212345
#include<iostream>
using namespace std;
int main(){
int num;
// Inputting The Length of The Triangle
cout<<"Enter The Length of The Triangle: ";
cin>>num;
// Processing Rows
for(int n=1; n<=num; n++){
// Processing Spaces before Numerical
for(int m=1; m<=(num-n); m++){
cout<<" ";
}
// Processing Numerical Value in Increasing Order
for(int p=n; p>=2; p--){
cout<<p;
}
// Processing Numerical Value in Decreasing Order
for(int p=1; p<=n; p++){
cout<<p;
}
cout<<endl;
}
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
10 | P a g e Object-Oriented Programming using C++
Practical 10: Write a program to demonstrate the working of call by value
Syntax:
#include <iostream>
using namespace std;
// function declaration
void swap(int x, int y){
int temp;
temp = x; // save the value at address x
x = y; // put y into x
y = temp; // put x into y
return;
};
int main () {
int a, b;
cout << "Enter The value of a :";
cin>>a;
cout << "Enter The value of b :";
cin>>b;
// calling The 'Swap function' to swap the values using variable
value.
swap(a, b);
// Outputing The Value after Swap
cout << "The Value of 'a' After swap is " << a << endl;
cout << "The value of 'b' After swap is " << b << endl;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
11 | P a g e Object-Oriented Programming using C++
Practical 11: Write a program to demonstrate the working of call by reference
Syntax:
#include <iostream>
using namespace std;
// function declaration
void swap(int &x, int &y){
int temp;
temp = x; // save the value at address x
x = y; // put y into x
y = temp; // put x into y
return;
};
int main () {
int a, b;
cout << "Enter The value of a :";
cin>>a;
cout << "Enter The value of b :";
cin>>b;
// calling The 'Swap function' to swap the values using variable
reference.
swap(a, b);
// Outputing The Value after Swap
cout << "The Value of 'a' After swap is " << a << endl;
cout << "The value of 'b' After swap is " << b << endl;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
12 | P a g e Object-Oriented Programming using C++
Practical 12: Write a Program to demonstrate the working of Pointer
Syntax:
#include<iostream>
using namespace std;
int main(){
int n, *p, *q;
cout<<"Enter a Numerical Value: ";
cin>>n;
p=&n;
q=&n;
cout<<"The twice value using Pointer 'p' : "<<*p*2<<endl;
cout<<"The Address of The Value Using Pointer 'q' : "<<q<<endl;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
13 | P a g e Object-Oriented Programming using C++
Practical 13: Write a program to print a given pattern: 1
2 2
3 3
Syntax: 4 4
555555555
#include<iostream>
using namespace std;
int main(){
int num;
// Inputting The Length of The Triangle
cout<<"Enter The Length of The Triangle: ";
cin>>num;
// Processing Rows
for(int n=1; n<=num; n++){
// Processing Spaces before Numerical Value
for(int m=1; m<=(num-n); m++){
cout<<" ";
}
// Processing Numerical Value in Increasing Order
for(int p=1; p<=(2*n-1); p++){
// Processing The Slots for Spaces within The Triangle
if(p>1 && p<(2*n-1) && n<num){
cout<<" ";
}
else{
cout<<n;
}
}
cout<<endl;
}
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
14 | P a g e Object-Oriented Programming using C++
Practical 14: Write a Program to Reverse the series of Numbers
Syntax:
#include<iostream>
using namespace std;
int main(){
int n;
cout<<"Enter The Number: ";
cin>>n;
int rev=0;
while(n1>0){
int m=n%10;
n/=10;
rev = rev*10 + m;
}
cout<<"The Reverse Order of Number is "<<rev<<endl;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
15 | P a g e Object-Oriented Programming using C++
Practical 15: Write a program which can have only one object or instance
at a time.
Syntax:
#include<iostream>
using namespace std;
class Singleton {
public:
static Singleton * Instance();
void SetVal(int val);
void PrintVal();
private:
Singleton() {} // Constructor is private.
Singleton(Singleton const&) {} // Copy constructor is private.
// Assignment operator is private.
Singleton& operator=(Singleton const&) { return *this; }
static Singleton * instance_;
int val_;
};
Singleton* Singleton::instance_ = NULL;
Singleton* Singleton::Instance() {
if(!instance_) {
instance_ = new Singleton();
}
return instance_;
}
void Singleton::SetVal(int val) {
val_=val;
}
void Singleton::PrintVal() {
cout<<"val = "<<val_<<endl;
}
int main(){
Singleton *p = Singleton::Instance();
Singleton *q = Singleton::Instance();
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
16 | P a g e Object-Oriented Programming using C++
p->SetVal(7);
cout<<"Prtinting using p: "; p->PrintVal();
cout<<"Prtinting using q: "; q->PrintVal();
q->SetVal(9);
cout<<"Prtinting using p: "; p->PrintVal();
cout<<"Prtinting using q: "; q->PrintVal();
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
17 | P a g e Object-Oriented Programming using C++
Practical 16: Write a Program That reads in a Five-digit integer and
determine whether it is a palindrome.
Syntax:
#include<iostream>
using namespace std;
int main(){
int n, m=0;
// Input The value
cout<<"Enter a 5 Digit Number: ";
cin>>n;
// Making a Copy of Value for checking The length of the Value
int p=n;
// Determining The Lenth of the Value
while(p>0){
p=p/10;
m++;
}
// Checking Whether if the value is long enough
switch(m){
case(5):
/* while the Value is Sufficient the program continue as
Normal */
break;
default:
// in case it isn't long enough, Exiting the program
cout<<"The Value is Not Exactly 5 Digits Long"<<endl;
cout<<"Please Try Again";
exit(0);
}
/* Making a copy of value and reversing the order for further
Verification */
int rev=0, n1=n;
while(n1>0){
int m=n1%10;
n1/=10;
rev = rev*10 + m;
}
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
18 | P a g e Object-Oriented Programming using C++
// Checking Whether if The Value is a Palindrome or not
if(rev==n)
cout<<"The Sequence "<<n<<" is a Palindrome"<<endl;
else
cout<<"The Sequence "<<n<<" is not a Palindrome"<<endl;
return 0;
}
Output:
Submitted by:- Nilesh Tamboli (3rd Sem) Submitted to:- Mrs. Pooja Rathore
