/* Slip no : 22_1 Write the
definition for a class called point that has x & y as integer data members.
Overload the assignment operator (=) to copy one object to another. (Use
Default and parameterized constructor to initialize the appropriate objects)
Write a C++
program to illustrate the use of above
class. */
#include<stdio.h>
#include<conio.h>
#include<iostream.h>
class point
{
int
x,y;
public:
point()
{
}
point(int
a,int b=200)
{
x=a;
y=b;
}
void
operator=(point ob2)
{
x=ob2.x;
y=ob2.y;
}
void
display()
{
cout<<"\nx
= "<<x<<"\t y = "<<y;
}
};
void main()
{
point
ob1(100,200),ob2;
int
n,m;
clrscr();
//cin>>m;
ob1.display();
//ob2.display();
ob2=ob1;
cout<<"\nAfter
overload = operator .\n";
ob2.display();
cout<<"\nEnter
number : ";
cin>>n;
cout<<"\nEnter
number : ";
cin>>m;
point
ob3(n,m);
ob3.display();
ob2=ob3;
cout<<"\nAfter
overload = operator .\n";
ob2.display();
getch();
}
/* Slip no : 22_2 Create a base
class Conversion. Derive three different classes Weight (Gram, Kilogram),
Volume(Milliliter, Liter), Currency(Rupees, Paise) from Conversion class. Write
a C++ program to perform read, convert and display operations. (Use Pure
virtual function) */
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
class conversion
{
public:
virtual void accept1()=0;
virtual void accept2()=0;
virtual void convert1()=0;
virtual void convert2()=0;
};
class weight:public conversion
{
public:
float gm,kgm;
void accept1()
{
cout<<"Enter
grams to convert : ";
cin>>gm;
}
void accept2()
{
cout<<"Enter
kilograms to convert : ";
cin>>kgm;
}
void convert1()
{
cout<<"After
conversion gm = "<<gm/1000<<" kgm\n";
}
void convert2()
{
cout<<"After
conversion kgm = "<<kgm*1000<<" gm\n";
}
};
class volume:public conversion
{
public:
float ml,ltr;
void accept1()
{
cout<<"\n
Enter mililiter to convert : ";
cin>>ml;
}
void accept2()
{
cout<<"\n
Enter liter to convert : ";
cin>>ltr;
}
void convert1()
{
cout<<"After
conversion ml = "<<ml/1000<<" ltr\n";
}
void convert2()
{
cout<<"After
conversion ltr = "<<ltr*1000<<" ml\n";
}
};
class currency:public conversion
{
public:
float ps,rs;
void accept1()
{
cout<<"Enter
paise to convert :";
cin>>ps;
}
void accept2()
{
cout<<"Enter
rupees to convert : ";
cin>>rs;
}
void convert1()
{
cout<<"After
conversion ps = "<<ps/100<<" rs\n";
}
void convert2()
{
cout<<"After
conversion rs = "<<rs*100<<" ps\n";
}
};
void main()
{
int ch;
weight w;
volume v;
currency c;
clrscr();
do
{
cout<<"\nEnter
your choice\n";
cout<<"1.weight\t2.volume\t3.currency\t4.exit\n";
cin>>ch;
switch(ch)
{
case
1: int ch1;
cout<<"Enter
your choice to convert weight\n";
cout<<"1.gm
to kgm\t2.kgm to gm \n";
cin>>ch1;
if(ch1==1)
{
w.accept1();
w.convert1();
break;
}
else
if(ch1==2)
{
w.accept2();
w.convert2();
break;
}
else
{
cout<<"wrong
choice";
break;
}
case
2: int ch2;
cout<<"Enter
choice to convert to volume\n";
cout<<"1.ml
to ltr\t2.ltr to ml \n";
cin>>ch2;
if(ch2==1)
{
v.accept1();
v.convert1();
break;
}
else
if(ch2==2)
{
v.accept2();
v.convert2();
break;
}
else
{
cout<<"wrong
choice";
break;
}
case
3:int ch3;
cout<<"Enter
choice to convert currency";
cout<<"\n1psp
to rp\t2.rp to ps \n";
cin>>ch3;
if(ch3==1)
{
c.accept1();
c.convert1();
break;
}
else
if(ch3==2)
{
c.accept2();
c.convert2();
break;
}
else
{
cout<<"wrong
choice";
break;
}
case
4:break;
default: cout<<"Enter
valid choice";
break;
}
}while(ch!=4);
getch();
}
slip 22
![slip 22]()
Reviewed by Dinesh Varal
on
January 27, 2018
Rating:
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