OOPS PRACTICAL FILE
Department Of Computer Science Engineering
BABA BANDA SINGH BAHADUR ENGINEERING COLLEGE,
Fatehgarh Sahib ,Punjab - 140407
Submitted To :Prof. Rupendra Kaur
Submitted By :Name: Parshant kumar
Roll No :2100385
Class : 3C22
Subject : OOP
INDEX
S.No.
Program
Page
1.
WAP to display a massage on screen.
1
2.
WAP to print arithmetic operation.
2
3.
WAP to show different types of errors in
program.
3-4
4.
WAP to calculate tax of an employee using
functions.
5-6
5.
WAP to overload a function volume.
7-8
6.
7.
WAP to swap two number using call by
value.
WAP to swap two number using call by
reference.
9-10
11-12
8.
WAP to find sum & average of marks of
student of a class.
13-14
9.
WAP to find sum & average of marks of
student of a class.
15-16
10.
WAP to print fibonacci series using recursion.
17
11.
WAP to show the working of pointer.
18
Remark
TASK 1
AIM : WAP to display a massage on screen.
PROGRAM :
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}
OUTPUT :
1|Page
TASK 2
AIM : WAP to print arithmetic operation.
PROGRAM :
#include <iostream>
using namespace std; int
main() { int
a,b,sum,sub,multi,mod;
float div; cout <<
"Enter a: "; cin
>>a; cout <<
"Enter b: "; cin
>>b;
sum = a+b; cout << a << " + " << b << " = "
<< sum <<"\n"; sub = a-b; cout << a << " - "
<< b << " = " << sub <<"\n"; multi = a*b;
cout << a << " * " << b << " = " << multi
<<"\n"; div = (float)a/(float)b; cout << a <<
" / " << b << " = " << div <<"\n"; mod = a%b;
cout << a << " % " << b << " = " << mod
<<"\n";
return o;
}
2|Page
OUTPUT :
3|Page
TASK 3
AIM : WAP to show different types of errors in program.
PROGRAM :
#include<iostream>
using namespace std;
int main()
{
int a,b; cout<<"Enter a : ";
cin>>a;
cout<<"Enter b : "
cin>>b;
a+b;
sum =
cout<<"Sum is :
"<<sum;
return 0;
}
OUTPUT :
4|Page
TASK 4
AIM : WAP to calculate tax of an employee using functions.
PROGRAM :
#include <iostream>
using namespace std;
void cal(void); int
main()
{
int i,n;
cout<<"\nENTER THE NUMBER OF THE EMPLOYEES: ";
cin>>n;
for(i=1;i<=n;i++)
cal();
return 0;
}
void cal()
{
int basic;
float tax;
cout<<"\nENTER THE AMOUNT OF BASIC: ";
cin>>basic;
if(basic<9000)
5|Page
tax=basic*20/100;
else
tax=basic*25/100;
cout<<"\nTHE AMOUNT OF TAX IS %0.2f = "<<tax<<"\n";
}
OUTPUT :
6|Page
TASK 5
AIM : WAP to overload a function volume. `
PROGRAM :
#include<iostream>
using namespace std;
void volume(float);
void volume(int,int,int);
void volume(float, int);
int main()
{
int a,b,c;
float d;
cout<<"Enter a,b,c,d :";
cin>>a>>b>>c>>d;
volume(d);
cout<<"\n";
volume(a,b,c);
cout<<"\n";
volume(d,a);
cout<<"\n";
return0;
}
7|Page
void volume(float x)
{
cout<<"volume of cube : ";
float cu=x*x*x;
cout<<cu<<"\n";
}
void volume(int x,int y,int z)
{
cout<<"volume of cuboid is : ";
float cub=x*y*z;
cout<<cub<<"\n";
}
void volume(float m,int n)
{
cout<<"volume of cuboid is : ";
float cylin=3.14*m*n;
cout<<cylin<<"\n";
}
OUTPUT :
8|Page
TASK 6
AIM :WAP to swap two number using call by value.
PROGRAM :
#include<iostream>
using namespace std;
void swap(int,int);
int main()
{
int a,b;
cout<<"Enter Value Of A :: ";
cin>>a;
cout<<"\nEnter Value of B :: ";
cin>>b;
cout<<"\nBefore Swapping, Value of :: \n\tA = "<<a<<"\tB = "<<b<<"\n";
swap(a,b);
cout<<"\nOutside Function After Swapping, Value of :: \n\tA = "<<a<<"\tB=”<<b<<”\
n";
}
void swap(int a,int b)
{
int c;
c=a;
a=b;
b=c;
cout<<"\nInside Function After Swapping, Value of :: \n\tA = "<<a<<"\tB =
"<<b<<"\n";
}
9|Page
OUTPUT :
10 | P a g e
TASK 7
WAP to swap two number using call by reference.
#include<iostream>
using namespace std;
void main (int&num1,int&num2);
int main()
{
int a,b;
cout <<"\n Using Call By Referen\n";
cout<<"Enter value of A = ";
cin>>a;
cout<<"Enter value of B = ";
cin >>b;
cout<<"\nBefore Swapping, Value of :: \n\tA = "<<a<<"\tB = "<<b<<"\n";
swap(a,b);
cout<<"\nOutside Function After Swapping, Value of :: \n\tA = "<<a<<"\tB =
"<<b<<"\n";
return 0;
}
void swap (int &num1, int &num2)
{
11 | P a g e
int temp;
temp=num1;
num1=num2;
num2=temp;
cout<<"\nInside Function After Swapping, Value of :: \n\tA = "<<num1<<"\tB =
"<<num2<<"\n";
}
OUTPUT :
12 | P a g e
TASK 8
AIM: WAP to find sum & average of marks of student of a CLASS
#include<iostream>
using namespace std;
class student
{
int mark1,mark2;
public:
void getmark()
{
cout<<"Enter Mark1 : ";
cin>>mark1;
cout<<"Enter Mark2 : ";
cin>>mark2;
}
void showmark()
{
int sum= mark1+mark2;
float avg= (mark1+mark2)/2;
cout<<"Sum is : "<<sum <<"\n";
cout<<"Average is : "<<avg<<"\n";
}
};
int main()
{
student s;
13 | P a g e
s.getmark();
s.showmark();
return 0;
}
OUTPUT :
14 | P a g e
TASK 9
WAP to print fibonacci series using recursion.
#include <iostream>
using namespace std;
int fib(int x) {
if((x==1)||(x==0)) {
return(x);
}else {
return(fib(x-1)+fib(x-2));
}
}
int main() {
int x , i=0;
cout << "Enter the number of terms of series :
";
cin >> x;
while(i < x) {
cout << "Fibonnaci Series : ";
cout << " " << fib(i);
i++;
}
return 0;
}
15 | P a g e
OUTPUT :
16 | P a g e
TASK 10
AIM: WAP to make use of string functions.
#include <iostream>
#using namespace std;
int main ()
{
char key[] = "pine apple";
char buffer[50];
do {
cout<<"What is my favourite fruit?";
cin>>buffer;
} while (strcmp (key,buffer) != 0);
cout<<"Answer is correct!!"<<endl;
return 0;
}
OUTPUT :
17 | P a g e
TASK 11
AIM : WAP to show the working of pointer.
PROGRAM :
#include <iostream>
using namespace std;
int main () {
int var1=15;
char var2[15]="hello";
cout << "Address of var1 variable: ";
cout << &var1 << endl;
cout << "Address of var2 variable: ";
cout << &var2 << endl;
return 0;
}
OUTPUT :
18 | P a g e