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Abstract Data Type In C++

Abstract Data type (ADT) is a type (or class) for objects whose behaviour is defined by a set of value and a set of operations.

The definition of ADT only mentions what operations are to be performed but not how these operations will be implemented. It does not specify how data will be organized in memory and what algorithms will be used for implementing the operations. It is called “abstract” because it gives an implementation-independent view.

Fig: Abstract Data Type In C++

Program:

#include<iostream.h>

#include<conio.h>

struct emp

{

char name[10];

int age;

};

void main()

{

struct emp e;

cout<<”enter employee name \n”;

cin>>e.name;

cout<<”enter age\n”;

cin>>e.age;

cout<<”name is”<< “    “<<e.name;

cout<<”age is “<<”  ”<<e.age;

getch();

}

Output:

Enter name Pramod

Enter age 21

Name is Pramod

Age is 21