This document defines an abstract data type (ADT) for a sequence of integers that supports duplicates and positional access. It includes implementations for operations such as adding, removing, retrieving values, checking membership, and resizing the array dynamically as needed. The provided code demonstrates an ArrayList class in C++ that encapsulates these functionalities.

1. Define an ADT for a sequence of integers (remember that a sequence may contain duplicates,
and supports the concept of position for its elements). Your ADT should consist of the functions
that can be performed on a sequence to control its membership, check the size, check if a given
element is in the set, and so on. Each function should be defined in terms of its input and output.
Data Structures and Algorithm Analysis in C++ by Clifford Shaffer
Define an ADT for a sequence of integers (remember that a sequence may contain duplicates,
and supports the concept of position for its elements). Your ADT should consist of the functions
that can be performed on a sequence to control its membership, check the size, check if a given
element is in the set, and so on. Each function should be defined in terms of its input and output.
Data Structures and Algorithm Analysis in C++ by Clifford Shaffer
Data Structures and Algorithm Analysis in C++ by Clifford Shaffer
Solution
#include
#include
using namespace std;
/*
List ADT Implementation for Integers
Supports: Duplicates values and position based access.
Change in membership of postion.
check size, availability in set.
Can be resized automatically based on requirement of size.
*/
class Arraylist
{
int *integerArray;
int length;

2. int size;
public:
Arraylist(int defaultsize = 10)
{
integerArray = new int[size];
length = 0;
size = defaultsize;
}
// To get integer at index i
int get(int index)
{
if(!IsIndexValidated(index)) {
cout<< "The index is invalid";
return -1;
}
return integerArray[index];
}
// To get array length
int lengthOfArray()
{
return length;
}
// To set integer at index i
bool setAtIndex(int index, int value)
{
if(!IsIndexValidated(index)) {
return false;
}
integerArray[index] = value;
return true;
}
// To add integer in the list

3. bool add(int value)
{
expandArrayIfrequired();
integerArray[length++] = value;
return true;
}
// To remove integer in the list by index
bool remove(int index)
{
if(!IsIndexValidated(index)) {
return false;
}
for (int i = index; i < length; i++)
integerArray[i] = integerArray[i+1];
integerArray[length-1] = 0;
length--;
return true;
}
// To check the availability of value in integerArray
bool isValuePresent(int value)
{
for(int i=0;i=length) {
return false;
}
return true;
}
bool expandArrayIfrequired(){
if(length >= size) {
int* resize_arr = new int[size *2];
for(int i = 0; i < size; i++)
resize_arr[i] = integerArray[i];
size++;

4. integerArray = resize_arr;
delete[] resize_arr;
return true;
}
return false;
}
};
//Main method to test ArrayList
int main()
{
Arraylist list(1);
cout<<"Array List of size 1 created"<