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Allocating Object In C++

Whenever we want dynamic memory allocation on object so that time we use new keyword if that time we want to destroy the memory allocated so we  use for delete keyword. This type of object can do allocation or deletion at same time.

Fig:Allocating Object In C++

Synatx:

classname *pointer variable;

pointer variable=new class name;

Program:

#include<iostream.h>

#include<conio.h>

class MCA

{

int a,b;

public:

void input();

void output();

};

void  MCA::input()

{

cout<<”input two number”;

cin>>a>>b;

}

void MCA::output()

{

cout<<a<<b;

}

void main()

{

MCA *p;

p=new MCA;

p->input();

p->output();

getch();

}