tempclass.cpp

#include<iostream>
using namespace std ;
template<class X> class ArrayList{
    private:
    struct ControlBlock{
        int capacity ;
        X *arr_ptr ;
    };
    ControlBlock *s ;
    public:
    ArrayList(int capacity){
        s = new ControlBlock ;
        s ->capacity = capacity ;
        s-> arr_ptr = new X[s->capacity];
    }
    void addElement(int index,X data){
        if(index >= 0 && index <= s->capacity-1)
        s->arr_ptr[index]= data ;
        else
        cout<<"\n Array index is not valid";
    }
    void viewElement(int index,X &data){
        if(index >= 0 && index <= s->capacity-1)
        data = s->arr_ptr[index];
        else
        cout<<"\nArray index not valid";
    }
    void viewList(){
        int i ;
        for(i =0 ;i< s->capacity ;i++){
            cout<<" "<<s->arr_ptr[i];
        }
    }
};
int main(){
    int data ;
    ArrayList <float> list1(4);
    list1.addElement(0,3.2);
    list1.addElement(1,3.5);
    list1.addElement(2,4.4);
    // list1.addElement(3,78);
    list1.viewList();

}